TI  - INstructions for authors
PT  - JOUR
DP  - 1989
TA  - JAMA
pages = {855-858},
VI  - 261
IP  - 6
AID  - 10.1001/jama.1989.03420060055015 [doi]
4100  - http://dx.doi.org/10.1001/jama.1989.03420060055015
SO  - JAMA February 10, 1989 261(6):855