Randomized controlled trials

1.
Kerry Dwan, Carrol Gamble, Paula R. Williamson, Jamie J. Kirkham. Systematic Review of the Empirical Evidence of Study Publication Bias and Outcome Reporting Bias — An Updated Review. PLOS ONE. 8(7):e66844. doi:10.1371/journal.pone.0066844
View Full Reference
1.
John P. A. Ioannidis. Why Most Published Research Findings Are False. PLOS Medicine. 2(8):e124. doi:10.1371/journal.pmed.0020124
View Full Reference