TI - REsident forum PT - JOUR DP - 1989 TA - JAMA pages = {3218}, VI - 262 IP - 22 AID - 10.1001/jama.1989.03430220157055 [doi] 4100 - http://dx.doi.org/10.1001/jama.1989.03430220157055 SO - JAMA December 8, 1989 262(22):3218