TI  - INdex to advertisers
PT  - JOUR
DP  - 1989
TA  - JAMA
pages = {2744},
VI  - 261
IP  - 18
AID  - 10.1001/jama.1989.03420180172059 [doi]
4100  - http://dx.doi.org/10.1001/jama.1989.03420180172059
SO  - JAMA May 12, 1989 261(18):2744