TY  - RPRT
TI  - Basic principles of psychotherapy: introduction.
AU  - N A Cummings
PY  - 1993
DO  - 10.1176/appi.psychotherapy.1993.47.1.5
UR  - https://pubmed.ncbi.nlm.nih.gov/8434697/
ID  - 8434697
ER  -