AU  - Goldberg NH, Schneeweiss S, Kowal MK, Gagne JJ
TI  - AVailability of comparative efficacy data at the time of drug approval in the united states
PT  - JOUR
DP  - 2011
TA  - JAMA
pages = {1786-1789},
VI  - 305
IP  - 17
AID  - 10.1001/jama.2011.539 [doi]
4100  - http://dx.doi.org/10.1001/jama.2011.539
SO  - JAMA May 4, 2011 305(17):1786