TI - INcorrect title PT - JOUR DP - 1989 TA - JAMA pages = {1952}, VI - 262 IP - 14 AID - 10.1001/jama.1989.03430140066025 [doi] 4100 - http://dx.doi.org/10.1001/jama.1989.03430140066025 SO - JAMA October 13, 1989 262(14):1952