RT Article T1 The etiology of schizophrenia: a replication test of the social selection vs. the social causation hypotheses JF Acta psychiatrica Scandinavica VO 75 IS 2 SP 183 OP 190 A1 Levav, I. LA English YR 1987 UL https://krimdok.uni-tuebingen.de/Record/1642422754 K1 Schizophrenie