Dean Fergusson, Kathleen Cranley Glass, Duff Waring, Stan Shapiro
Fergusson D, Glass K C, Waring D, Shapiro S.
Turning a blind eye: the success of blinding reported in a random sample of randomised, placebo controlled trials
BMJ 2004; 328 :432
doi:10.1136/bmj.328.74327.37952.631667.EE