AU  - Popkin RJ
TI  - PAtients' confusion from drug substitution
PT  - JOUR
DP  - 1979
TA  - JAMA
pages = {1890},
VI  - 241
IP  - 18
AID  - 10.1001/jama.1979.03290440014008 [doi]
4100  - http://dx.doi.org/10.1001/jama.1979.03290440014008
SO  - JAMA May 4, 1979 241(18):1890