Psychiatric admissions at different levels of the national health care services and male criminality: the Northern Finland 1966 Birth Cohort study - Timonen, M.; Miettunen, J.; Hakko, H.; Järvelin, M.-R.; Veijola, J.; Kinnunen, J.; Räsänen, P. (Social Psychiatry and Psychiatric Epidemiology, 2000)