TY - RPRT TI - Some current issues in group psychotherapy research. Discussion. AU - W Gruen AU - M B Parloff AU - B F Riess PY - 1973 DO - 10.1080/00207284.1973.11492233 UR - https://pubmed.ncbi.nlm.nih.gov/4733355/ ID - 4733355 ER -