TI  - SPecialty abstracts
PT  - JOUR
DP  - 1989
TA  - JAMA
pages = {2334-2353},
VI  - 261
IP  - 16
AID  - 10.1001/jama.1989.03420160058027 [doi]
4100  - http://dx.doi.org/10.1001/jama.1989.03420160058027
SO  - JAMA April 28, 1989 261(16):2334