TY - RPRT TI - A PRE-SCHIZOPHRENIC SAMPLE. AU - S A Mednick AU - F Schulsinger PY - 1964 DO - 10.1111/j.1600-0447.1964.tb04900.x UR - https://pubmed.ncbi.nlm.nih.gov/14345186/ ID - 14345186 ER -