TY  - RPRT
TI  - Basic group practice; how it can be done.
AU  - J S COLLINGS
PY  - 1953
DO  - 10.1016/s0140-6736(53)90538-8
UR  - https://pubmed.ncbi.nlm.nih.gov/13098116/
ID  - 13098116
ER  -