Letters, green cards, telephone calls and postcards: systematic and meta-analytic review of brief contact interventions for reducing self-harm, suicide attempts and suicide.
Open accessAbstract
BACKGROUND: There is growing interest in brief contact interventions for self-harm and suicide attempt. AIMS: To synthesise the evidence regarding the effectiveness of brief contact interventions for reducing self-harm, suicide attempt and suicide. METHOD: A systematic review and random-effects meta-analyses were conducted of randomised controlled trials using brief contact interventions (telephone contacts; emergency or crisis cards; and postcard or letter contacts). Several sensitivity analyses were conducted to examine study quality and subgroup effects. RESULTS: We found 14 eligible studies overall, of which 12 were amenable to meta-analyses. For any subsequent episode of self-harm or suicide attempt, there was a non-significant reduction in the overall pooled odds ratio (OR) of 0.87 (95% CI 0.74-1.04, P = 0119) for intervention compared with control. The number of repetitions per person was significantly reduced in intervention v. control (incidence rate ratio IRR = 066, 95% CI 0.54-0.80, P<0001). There was no significant reduction in the odds of suicide in intervention compared with control (OR = 0.58, 95% CI 0.24-1.38). CONCLUSIONS: A non-significant positive effect on repeated self-harm, suicide attempt and suicide and a significant effect on the number of episodes of repeated self-harm or suicide attempts per person (based on only three studies) means that brief contact interventions cannot yet be recommended for widespread clinical implementation. We recommend further assessment of possible benefits in well-designed trials in clinical populations.
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National best practices for suicide prevention recommend that people identified as at risk receive treatment aimed at lowering suicide risk and services that keep them engaged in mental health care.
“National suicide prevention best practices recommend that individuals identified as being at risk of suicide receive treatment specifically directed to reduce their risk of suicide and services to ensure they remain engaged in mental health care.6”
Follow-up interventions are typically brief (6-12 sessions), low cost, nondemand interventions that can be conducted by anyone and occur on a structured schedule over a designated period.
“In contrast to other resource intensive suicide-specific interventions that require a mental health specialist, follow-up interventions are typically brief (6-12 sessions), low cost, nondemand interventions that can be conducted by anyone and occur according to a structured schedule over a designated period (e.g., 1 year).77,78”
From Evidence-based youth suicide prevention and intervention in pediatric primary care settings. (2024) · cites this paper as [77]
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“Approaches using telephone and postal contact following self-harm have been studied in RCTs; results have been mixed though some studies have reported a reduction in the number of repeat selfharm episodes (Milner et al. 2015).”
ResultInfluentialHaroz, E. E., Kitchen, C., Nestadt, P. S., Wilcox, H. C., DeVylder, J., & Kharrazi, H. H. K. (2021) · Suicide and Life-Threatening Behavior · doi:10.1111/sltb.12800 · Cited by 47 · see citing works
“Potential interventions that could be linked to these strategies include safety planning (Stanley et al., 2018), brief contact interventions (Milner et al., 2015), and more intensive therapeutic interventions.”
BackgroundBoudreaux, E. D., Larkin, C., Vallejo Sefair, A., Ma, Y., Li, Y. F., Ibrahim, A. F., Zeger, W., Brown, G. K., Pelletier, L., Miller, I., et al. (2023) · JAMA Psychiatry · doi:10.1001/jamapsychiatry.2023.1304 · Cited by 46 · see citing works
Bakhiyi, C. L., Jaussent, I., Béziat, S., Cohen, R. F., Genty, C., Kahn, J., Leboyer, M., Vaou, P. L., Guillaume, S., & Courtet, P. (2017) · Journal of Psychiatric Research · doi:10.1016/j.jpsychires.2016.12.022 · Cited by 45 · see citing works
“be effective for suicide prevention in individuals with history of SA (Milner et al., 2015).”
BackgroundCASP – An intervention by community volunteers to reduce suicidal behaviour among refugees
Vijayakumar, L., Mohanraj, R., Kumar, S., Jeyaseelan, V., Sriram, S., & Shanmugam, M. (2017) · International Journal of Social Psychiatry · doi:10.1177/0020764017723940 · Cited by 44 · see citing works
Experience of Health Care Services After a Suicide Attempt: Results from an Online Survey
Shand, F., Batterham, P. J., Chan, J. K., Pirkis, J., Spittal, M. J., Woodward, A., & Christensen, H. M. (2017) · Suicide and Life-Threatening Behavior · doi:10.1111/sltb.12399 · Cited by 44 · see citing works
Berrouiguet, S., Larsen, M. E., Mesmeur, C., Gravey, M., Billot, R., Walter, M., Network Hugopsy, Lemey, C., & Lenca, P. (2018) · JMIR mhealth and uhealth · doi:10.2196/mhealth.7780 · Cited by 42 · see citing works
Furuno, T., Nakagawa, M., Hino, K., Yamada, T., Kawashima, Y., Matsuoka, Y., Shirakawa, O., Ishizuka, N., Yonemoto, N., Kawanishi, C., et al. (2017) · Journal of Affective Disorders · doi:10.1016/j.jad.2017.08.071 · Cited by 41 · see citing works
Prévention de la récidive suicidaire à l’adolescence par SMS ou autre media
Ligier, F., Guillemin, F., & Kabuth, B. (2017) · Annales Médico-psychologiques revue psychiatrique · doi:10.1016/j.amp.2017.03.011 · Cited by 40 · see citing works
Liao, S., Qi, L., Xiong, J., Yan, J., & Wang, R. (2020) · International Journal of Environmental Research and Public Health · doi:10.3390/ijerph18010021 · Cited by 40 · see citing works
“However, like other LMICs, China also lacks sufficient professional mental health resources [12,13] due to the high demand for professional resources [14,15], along”
BackgroundFu, Z., Yan, M., & Chao, M. (2022) · Frontiers in Psychology · doi:10.3389/fpsyg.2022.935544 · Cited by 39 · see citing works
“The previous meta-analyses have drawn various conclusions depending on the types of study design (Choi et al., 2012; Milner et al., 2015; Noone et al., 2020; Jin et al., 2021).”
MethodImproving patient care after a suicide attempt
Shand, F., Vogl, L., & Robinson, J. (2018) · Australasian Psychiatry · doi:10.1177/1039856218758560 · Cited by 36 · see citing works
Michaud, L., Dorogi, Y., Gilbert, S., & Bourquin, C. (2021) · PLoS ONE · doi:10.1371/journal.pone.0247393 · Cited by 39 · see citing works
“These components included coordination of care by a nurse case manager [11], the development of a joint crisis plan [12], early meeting with relatives and the already constituted care network [13] as well as phone contact over the span of three months after the suicide attempt [14].”
BackgroundOwens, C. V., & Charles, N. (2016) · Child and Adolescent Psychiatry and Mental Health · doi:10.1186/s13034-016-0101-z · Cited by 38 · see citing works
“A recent systematic review and meta-analysis offers tentative confirmation that the sending of postcards may reduce the rate of repetition of self-harm in some adults [20].”
BackgroundImplementation methods for the caring contacts suicide prevention intervention.
Reger, M. A., Luxton, D. D., Tucker, R. P., Comtois, K. A., Keen, A., Landes, S. J., Matarazzo, B. B., & Thompson, C. (2017) · Professional Psychology Research and Practice · doi:10.1037/pro0000134 · Cited by 38 · see citing works
“Therefore, although the literature is not unanimous (Beautrais et al., 2010), systematic reviews are optimistic about the intervention (Luxton et al., 2013; Milner et al., 2015).”
BackgroundDuhem, S., Berrouiguet, S., Debien, C., Ducrocq, F., Demarty, A.-L., Messiah, A., Courtet, P., Jehel, L., Thomas, P., Deplanque, D., et al. (2018) · BMJ Open · doi:10.1136/bmjopen-2018-022762 · Cited by 38 · see citing works
“In 2015, Milner et al and Inagaki et al simultaneously published two meta-analyses assessing the effect of BCIs on suicide attempters.(10) 11 Their converging conclusions suggested that patients benefited from the recontact procedures, showing significantly lower relapse and suicide rates when compared with treated-as…”
Buus, N., Erlangsen, A., River, J., Andreasson, K., Frandsen, H., Larsen, J. L. S., Nordentoft, M., & Juel, A. (2018) · Archives of Suicide Research · doi:10.1080/13811118.2018.1489319 · Cited by 36 · see citing works
“There are several initiatives to provide brief contact interventions for people at risk of suicide and self-harm (Milner, Carter, Pirkis, Robinson, & Spittal, 2015).”
BackgroundBaldaçara, L., Grüdtner, R. R., Leite, V. D. S., Porto, D. M., Robis, K. P., Fidalgo, T. M., Rocha, G. A., Díaz, A. P., Meleiro, A. M. A. D. S., Corrêa, H., et al. (2020) · Brazilian Journal of Psychiatry · doi:10.1590/1516-4446-2020-1108 · Cited by 39 · see citing works
Spittal, M. J., Guo, X. A., Kang, L., Kirtley, O. J., Clapperton, A., Hawton, K. E., Kapur, N., Pirkis, J., & Carter, G. L. (2025) · PLoS Medicine · doi:10.1371/journal.pmed.1004581 · Cited by 39 · see citing works
Larsen, M. E., Shand, F., Morley, K. C., Batterham, P. J., Petrie, K., Reda, B., Berrouiguet, S., Haber, P., Carter, G. L., & Christensen, H. M. (2017) · JMIR Mental Health · doi:10.2196/mental.7500 · Cited by 34 · see citing works
“A meta-analysis found that postdischarge brief contact interventions, such as letters, postcards, crisis cards, and telephone calls, were associated with a significant reduction in the number of repeat episodes per participant, although nonsignificant reductions were observed in the number of patients with any repeat…”
BackgroundOlfson, M., Gao, Y. N., Xie, M., Cullen, S. W., & Marcus, S. C. (2021) · The Journal of Clinical Psychiatry · doi:10.4088/jcp.20m13833 · Cited by 34 · see citing works
Suicide prevention: Towards integrative, innovative and individualized brief contact interventions
Berrouiguet, S., Courtet, P., Larsen, M. E., Walter, M., & Vaïva, G. (2017) · European Psychiatry · doi:10.1016/j.eurpsy.2017.09.006 · Cited by 33 · see citing works
Effectiveness of a French Program to Prevent Suicide Reattempt (VigilanS)
Plancke, L., Amariei, A., Danel, T., Debien, C., Duhem, S., Notredame, C.-É., Wathelet, M., & Vaïva, G. (2020) · Archives of Suicide Research · doi:10.1080/13811118.2020.1735596 · Cited by 32 · see citing works
“…the protection mechanisms suggested by the authors of the articles he had done the meta-analysis: social support, suicide prevention literacy and alternative learning behaviors are the three mechanisms found, most often in the introduction or discussion of articles (Milner et al., 2015, 2016).”
BackgroundKrysinska, K. E., Batterham, P. J., & Christensen, H. M. (2016) · Archives of Suicide Research · doi:10.1080/13811118.2016.1162246 · Cited by 33 · see citing works
Overcoming Challenges to Evidence‐Based Policy Development in a Large, Integrated Delivery System
Frakt, A. B., Prentice, J. C., Pizer, S. D., Elwy, A. R., Garrido, M. M., Kilbourne, A. M., & Atkins, D. (2018) · Health Services Research · doi:10.1111/1475-6773.12986 · Cited by 33 · see citing works
The Celebrating Life Team, O’Keefe, V. M., Haroz, E. E., Goklish, N. A., Ivanich, J., Cwik, M. F., & Barlow, A. (2019) · BMC Public Health · doi:10.1186/s12889-019-7996-2 · Cited by 29 · see citing works
Messiah, A., Notredame, C.-É., Demarty, A.-L., Duhem, S., Vaïva, G., & on behalf of AlgoS investigators (2019) · PLoS ONE · doi:10.1371/journal.pone.0210778 · Cited by 29 · see citing works
Tucker, R. P., Tackett, M. J., Glickman, D. R., & Reger, M. A. (2018) · Suicide and Life-Threatening Behavior · doi:10.1111/sltb.12431 · Cited by 28 · see citing works
A systematic review of suicide risk management strategies in primary care settings
Thangada, M. S., & Kasoju, R. (2024) · Frontiers in Psychiatry · doi:10.3389/fpsyt.2024.1440738 · Cited by 26 · see citing works
Caring E‐mails for Military and Veteran Suicide Prevention: A Randomized Controlled Trial
Luxton, D. D., Smolenski, D. J., Reger, M. A., Relova, R. M., & Skopp, N. A. (2019) · Suicide and Life-Threatening Behavior · doi:10.1111/sltb.12589 · Cited by 26 · see citing works
Predictors and incidence rate of suicide re-attempt among suicide attempters: A prospective study
Esmaeili, E. D., Farahbakhsh, M., Sarbazi, E., Khodamoradi, F., Fam, S. G., & Azizi, H. (2021) · Asian Journal of Psychiatry · doi:10.1016/j.ajp.2021.102999 · Cited by 25 · see citing works
Lahoz, T., Hvid, M., & Wang, A. (2016) · Nordic Journal of Psychiatry · doi:10.1080/08039488.2016.1180711 · Cited by 24 · see citing works
“This is also shown in a recent systematic review and random-effects meta-analysis of 12 randomized controlled trials using brief contact interventions such as telephone contacts, emergency crisis cards, postcards or letters, which showed positive results in reducing the frequency of individuals repeating suicide attem…”
BackgroundSakashita, T., & Oyama, H. (2019) · Frontiers in Psychiatry · doi:10.3389/fpsyt.2019.00161 · Cited by 26 · see citing works
“Hospital-based studies of indicated prevention interventions, including follow-up care after suicide attempts (37, 54), suggest these interventions were also not integrated with other prevention strategies.”
BackgroundStevens, G. J., Hammond, T. E., Brownhill, S., Anand, M., de la Riva, A., Hawkins, J., Chapman, T., Baldacchino, R., Micallef, J.-A., Andepalli, J., et al. (2019) · BMC Psychiatry · doi:10.1186/s12888-019-2104-9 · Cited by 24 · see citing works
Veteran Preferences for the Caring Contacts Suicide Prevention Intervention
Reger, M. A., Gebhardt, H. M., Lee, J. M., Ammerman, B. A., Tucker, R. P., Matarazzo, B. B., Wood, A. E., & Ruskin, D. (2018) · Suicide and Life-Threatening Behavior · doi:10.1111/sltb.12528 · Cited by 23 · see citing works
O’Connor, R. C., Smillie, S., McClelland, H., Lundy, J.-M., Stewart, C., Syrett, S., Gavigan, M., McConnachie, A., Stanley, B., Smith, M. J., et al. (2022) · Pilot and Feasibility Studies · doi:10.1186/s40814-022-01081-5 · Cited by 23 · see citing works
Bishwajit, G., Wang, R., Tang, S., & Yaya, S. (2019) · PeerJ · doi:10.7717/peerj.7108 · Cited by 23 · see citing works
“Interventions, such as cognitive behavioral therapy and some antidepressants, have indeed been recognized as helpful in reducing risks of ST/SA; nevertheless, many require relatively intensive resources and are confined to a limited scale of population with poor viability in many contexts (Milner et al., 2015).”
BackgroundA Pilot Study of an Intervention to Prevent Suicide After Psychiatric Hospitalization
Riblet, N. B. V., Shiner, B. R., Schnurr, P. P., BRUCE, M. L., Wasserman, D., Cornelius, S. L., Scott, R. C., & Watts, B. V. (2019) · The Journal of Nervous and Mental Disease · doi:10.1097/nmd.0000000000001061 · Cited by 21 · see citing works
“The study of Fleischmann et al. randomized 1699 patients to the World Health Organization Brief Intervention and Contact Program (WHO BIC) versus treatment as usual, and evaluated a more intense intervention that others included in the Milner et al. (2015) review.”
BackgroundMethodBurns, R. A. (2016) · Psychiatry Research · doi:10.1016/j.psychres.2016.08.036 · Cited by 22 · see citing works
Djembi, L. F., Vaïva, G., Debien, C., Duhem, S., Demarty, A.-L., Koudou, Y. A., & Messiah, A. (2020) · BMC Psychiatry · doi:10.1186/s12888-020-2443-6 · Cited by 21 · see citing works
Balcombe, L., & Leo, D. D. (2022) · Frontiers in Psychology · doi:10.3389/fpsyg.2021.796371 · Cited by 22 · see citing works
Tay, J. L., & Li, Z. (2022) · Suicide and Life-Threatening Behavior · doi:10.1111/sltb.12903 · Cited by 21 · see citing works
Jankowsky, K., Steger, D., & Schroeders, U. (2023) · Assessment · doi:10.1177/10731911231167490 · Cited by 25 · see citing works
“However, it has been meta-analytically shown that brief-contact interventions only slightly reduced the overall number of repeated self-harm incidents per person and not the odds of death by suicide (Milner et al., 2015).”
BackgroundFalcone, G., Nardella, A., Lamis, D. A., Erbuto, D., Girardi, P., & Pompili, M. (2017) · World Journal of Psychiatry · doi:10.5498/wjp.v7.i3.163 · Cited by 20 · see citing works
Un exemple de système de veille post-hospitalière des suicidants : VigilanS
Jardon, V., Debien, C., Duhem, S., Morgiève, M., Ducrocq, F., & Vaïva, G. (2018) · L Encéphale · doi:10.1016/j.encep.2018.09.009 · Cited by 20 · see citing works
Brief Cognitive-Behavioral Therapy for Suicidal Inpatients
Diefenbach, G. J., Rudd, M. D., Merling, L. F., Davies, C. D., Katz, B. W., & Tolin, D. F. (2020) · Cognitive and Behavioral Practice · doi:10.1016/j.cbpra.2020.09.010 · Cited by 19 · see citing works
Interventions of choice for the prevention and treatment of suicidal behaviours: An umbrella review
Sufrate‐Sorzano, T., Santolalla‐Arnedo, I., Garrote‐Cámara, M. E., Nalda, B. A., Cotelo‐Sáenz, R., Pastells‐Peiró, R., Bellon, F., Blanco‐Blanco, J., Juárez‐Vela, R., & Molina‐Luque, F. (2023) · Nursing Open · doi:10.1002/nop2.1820 · Cited by 19 · see citing works
“…Lai et al. (2014) Lapierre (2011) Larsen et al. (2016) Macedo et al. (2014) Meerwijk et al. (2016) Melia et al. (2020) MéndezBustos et al. (2019) Milner et al. (2015) Milner et al. (2014) Okolie et al. (2017) Riblet et al. (2017) Robinson et al. (2016) Tighe et al. (2018) Winter et al.…”
BackgroundMethodInfluentialTeismann (2019) · doi:10.1159/000493887 · Cited by 18 · see citing works
Brief Interventions for Self-injurious Thoughts and Behaviors in Young People: A Systematic Review
Dobias, M. L., Chen, S., Fox, K. R., & Schleider, J. L. (2023) · Clinical Child and Family Psychology Review · doi:10.1007/s10567-023-00424-9 · Cited by 25 · see citing works
Watling, D. P., Preece, M. H. W., Hawgood, J. L., Bloomfield, S., & Kõlves, K. (2022) · Child and Adolescent Psychiatry and Mental Health · doi:10.1186/s13034-022-00460-3 · Cited by 18 · see citing works
Zarska, A., Barnicot, K., Lavelle, M., Dorey, T., & McCabe, R. (2022) · Archives of Suicide Research · doi:10.1080/13811118.2022.2071660 · Cited by 18 · see citing works
“However, past research found follow-up contacts alone to be ineffective: two meta-analyses concluded the evidence was not sufficiently strong for it to be recommended (Hawton et al., 2016; Milner et al., 2015).”
BackgroundInterventions for attempted suicide
Menon, V., & Vijayakumar, L. (2022) · Current Opinion in Psychiatry · doi:10.1097/yco.0000000000000807 · Cited by 17 · see citing works
“Interestingly, limited evidence (from three trials) suggested a significant reduction in repeat event rates (reattempts or repeat self-harm) [22].”
BackgroundDjembi, L. F., Debien, C., Demarty, A.-L., Vaïva, G., & Messiah, A. (2021) · European Psychiatry · doi:10.1192/j.eurpsy.2021.2221 · Cited by 17 · see citing works
“These monitoring programs are commonly referred to as "Brief Contact Interventions " (BCIs) [19, 20].”
BackgroundMethodResultInfluentialDevelopment of the Veterans Crisis Line Caring Letters Suicide Prevention Intervention
Reger, M. A., Lauver, M., Manchester, C., Abraham, T. H., Landes, S. J., Garrido, M. M., Griffin, C., Woods, J. A., Strombotne, K. L., & Hughes, G. (2022) · Health Services Research · doi:10.1111/1475-6773.13985 · Cited by 16 · see citing works
Gabilondo, A., Aristegi, E., González-Pinto, A. M., Zurimendi, J. M., del Pino, M. M., Roca, R., Zorrilla, E. P., & Iruín, Á. (2019) · Suicide and Life-Threatening Behavior · doi:10.1111/sltb.12576 · Cited by 14 · see citing works
Sakashita, T., & Oyama, H. (2022) · Frontiers in Public Health · doi:10.3389/fpubh.2022.842193 · Cited by 13 · see citing works
“However, this follow-up care has often not been designed to be integrated with other prevention strategies (40, 42), which might limit its benefits.”
BackgroundAn Emergency Department‐Initiated Intervention to Lower Relapse Risk after Attempted Suicide
Martínez‐Alés, G., Jiménez‐Sola, E., Román‐Mazuecos, E., Sánchez-Castro, P., de Dios, C., Vega, B. R., & Bravo‐Ortiz, M. F. (2019) · Suicide and Life-Threatening Behavior · doi:10.1111/sltb.12542 · Cited by 13 · see citing works
Psychiatric intervention and repeated admission to emergency centres due to drug overdose
Kanehara, A., Yamana, H., Yasunaga, H., Matsui, H., Ando, S., Okamura, T., Kumakura, Y., Fushimi, K., & Kasai, K. (2015) · BJPsych Open · doi:10.1192/bjpo.bp.115.002204 · Cited by 13 · see citing works
Ligier, F., Kabuth, B., & Guillemin, F. (2016) · BMC Psychiatry · doi:10.1186/s12888-016-0965-8 · Cited by 12 · see citing works
“These different care modalities have diverse results depending on the sex or personality of the patient [21].”
BackgroundJosifovski, N., Shand, F., Morley, K. C., Chia, J., Henshaw, R. C., Petrie, K., Reda, B., Li, E., Theobald, A., Onie, S., et al. (2022) · General Hospital Psychiatry · doi:10.1016/j.genhosppsych.2022.03.002 · Cited by 12 · see citing works
Oyama, H., & Sakashita, T. (2017) · Psychological Medicine · doi:10.1017/s0033291717000204 · Cited by 12 · see citing works
“Recent reviews of brief contact interventions for reducing suicide risk have found that letter-based correspondence with people at risk of suicide who were less likely to adhere to treatment had a preventive influence (Luxton et al. 2013; Milner et al. 2015).”
BackgroundInfluential
- Authors
- Milner, A. J., Carter, G., Pirkis, J., Robinson, J., & Spittal, M. J.
- Affiliations
- The University of Melbourne (AU)
- Venue
- British Journal of Psychiatry
- Publisher
- Royal College of Psychiatrists
- Published
- 2015-03
- Volume
- 206
- Issue
- 3
- Pages
- 184-190
- ISSN
- 0007-1250 (ISSN-L)
- 1472-1465
- OpenAlex
- W2123846655
- Cited by
- 211
- References
- 47
- Citations by year
- 2026: 6 · 2025: 15 · 2024: 17 · 2023: 19 · 2022: 21 · 2021: 24 · 2020: 17 · 2019: 21 · 2018: 21 · 2017: 22 · 2016: 21 · 2015: 6
- FWCI
- 3.35
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- The British Journal of Psychiatry (publishedVersion)
- PubMed (publishedVersion)
- Minerva Access (University of Melbourne) (submittedVersion)
- Figshare (submittedVersion, cc-by)
- NOVA (University of Newcastle Australia) (submittedVersion)
- Funders
- Medical Research Council
- National Health and Medical Research Council (546248)
- Topics
- Social Sciences › Psychology › Clinical Psychology › Suicide and Self-Harm Studies
- Social Sciences › Psychology › Social Psychology › Mental Health Treatment and Access
- Social Sciences › Psychology › Clinical Psychology › Psychiatric care and mental health services
- Keywords
- self-harm, suicide attempts, suicide prevention, telephone-delivered intervention, postcards, intervention effectiveness
- MeSH terms
- Suicide Prevention, Humans, Postal Service, Psychotherapy, Brief, Suicide, Attempted, Telephone, Self-Injurious Behavior
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