RT Article T1 Stressful life events preceding the acute onset of schizophrenia: a cross-national study from the World Health Organization JF Culture, medicine and psychiatry VO 11 IS 2 SP 123 OP 206 A2 Day, R. LA German YR 1987 UL https://krimdok.uni-tuebingen.de/Record/1640835040 K1 Schizophrenie K1 WHO-Studie