TY - RPRT TI - Graded group procedures for long term regressed schizophrenics. AU - B A Don Beal AU - P Duckro AU - J Elias AU - E Hecht PY - 1977 DO - 10.1097/00005053-197702000-00004 UR - https://pubmed.ncbi.nlm.nih.gov/836481/ ID - 836481 ER -