RT Article T1 Swedish High-Risk-Study: sample characteristics at age 6 JF Schizophrenia bulletin VO 13 IS 3 SP 373 OP 382 A1 MacNeill, Thomas F. A2 Kaij, L. LA English YR 1987 UL https://krimdok.uni-tuebingen.de/Record/1642452726 K1 Schizophrenieforschung K1 Gefährdung