TI  - QUestions and answers
PT  - JOUR
DP  - 1989
TA  - JAMA
pages = {3616},
VI  - 261
IP  - 24
AID  - 10.1001/jama.1989.03420240130040 [doi]
4100  - http://dx.doi.org/10.1001/jama.1989.03420240130040
SO  - JAMA June 23, 1989 261(24):3616