@misc{indiciae8466b2f5c002, title = {Pretherapy preparation for group members.}, author = {W E Piper and E L Perrault}, year = {1989}, doi = {10.1080/00207284.1989.11491146}, url = {https://pubmed.ncbi.nlm.nih.gov/2643583/}, note = {Source identifier: 2643583} }