@article{doi:10.1001/jama.2011.539,
author = {Goldberg NH and Schneeweiss S and Kowal MK and Gagne JJ},
title = {AVailability of comparative efficacy data at the time of drug approval in the united states},
journal = {JAMA},
volume = {305},
number = {17},
pages = {1786-1789},
year = {2011},
doi = {10.1001/jama.2011.539},
URL = { + http://dx.doi.org/10.1001/jama.2011.539},
eprint = {/data/Journals/JAMA/20327/jbr15002_1786_1789.pdf}
}