The effect of study sponsorship on a systematically evaluated body of evidence of head-to-head trials was modest: secondary analysis of a systematic review
Gerald Gartlehner, Laura Morgan, Patricia Thieda, Anthony FlegVolume:
63
Year:
2010
Language:
english
DOI:
10.1016/j.jclinepi.2008.09.019
File:
PDF, 228 KB
english, 2010