AU - Winkler HA TI - Understanding psychotherapy: The science, behind the art PT - JOUR DP - 1989 TA - JAMA pages = {1864-1865}, VI - 262 IP - 13 AID - 10.1001/jama.1989.03430130140054 [doi] 4100 - http://dx.doi.org/10.1001/jama.1989.03430130140054 SO - JAMA October 6, 1989 262(13):1864