TY - RPRT TI - A token economy program for chronic schizophrenic patients. AU - L G Ost AU - L Melin AU - K G Götestam PY - 1976 DO - 10.1111/j.1467-9450.1976.tb00240.x UR - https://pubmed.ncbi.nlm.nih.gov/1013653/ ID - 1013653 ER -