Klaassen, R. M. C.

The Validity of the 16-Item Version of the Prodromal Questionnaire (PQ-16) to Screen for Ultra High Risk of Developing Psychosis in the General Help-Seeking Population

Ising, H. K., Veling, W., Loewy, R. L., Rietveld, M. W., Rietdijk, J., Dragt, S., Klaassen, R. M. C., Nieman, D. H., Wunderink, L., Linszen, D. H., et al. (2012) · Schizophrenia Bulletin

Schizophrenia research and treatmentPsychopathy, Forensic Psychiatry, Sexual Offending

Cited by 460

Cognitive Behavioral Therapy for Subjects at Ultrahigh Risk for Developing Psychosis: A Randomized Controlled Clinical Trial

van der Gaag, M., Nieman, D. H., Rietdijk, J., Dragt, S., Ising, H. K., Klaassen, R. M. C., Koeter, M., Cuijpers, P., Wunderink, L., & Linszen, D. H. (2012) · Schizophrenia Bulletin

Schizophrenia research and treatmentPsychotherapy Techniques and Applications

Cited by 209

Burden of mental health problems: quality of life and cost-of-illness in youth consulting Dutch walk-in youth health centres

Leijdesdorff, S. M. J., Huijs, C. E. M., Klaassen, R. M. C., Popma, A., van Amelsvoort, T. A. M. J., & Evers, S. M. A. A. (2023) · Journal of Mental Health

Mental Health Treatment and AccessHealth Systems, Economic Evaluations, Quality of Life

Cited by 20

Who is @ease? Visitors' characteristics and working method of professionally supported peer-to-peer youth walk-in centres, anonymous and free of charge

Leijdesdorff, S. M. J., Rosema, S., Klaassen, R. M. C., Popma, A., & van Amelsvoort, T. (2022) · Early Intervention in Psychiatry

Mental Health and Patient InvolvementMental Health Treatment and Access

Cited by 18