RT Article T1 Genetic principles and methods in high-risk studies of schizophrenia JF Schizophrenia bulletin VO 13 IS 3 SP 515 OP 524 A1 Cloninger, C. Robert 1944- LA English YR 1987 UL https://krimdok.uni-tuebingen.de/Record/1642454958 K1 Schizophrenieforschung K1 Gefährdung