RT Book T1 Studies on the psychological characteristics of medical students A1 Thomas, Caroline B. A2 Ross, Donald Clarence 1924- A2 Freed, Ellen S. LA English PP Baltimore PB Johns Hopkins Press UL https://krimdok.uni-tuebingen.de/Record/1070805971 NO 1 und 2 mit Urh.: Caroline Bedell Thomas, Donald C. Ross and Ellen S. Freed