PT - JOURNAL ARTICLE AU - Patrick C. Pietroni TI - THERAPEUTIC FACTORS IN GROUP PSYCHOTHERAPY DP - 1988 Jan 01 TA - The Journal of the Royal College of General Practitioners PG - 40--40 VI - 38 IP - 306 4099 - http://bjgp.org/content/38/306/40.3.short 4100 - http://bjgp.org/content/38/306/40.3.full SO - J R Coll Gen Pract1988 Jan 01; 38