Randomised Placebo Controlled Trials in HIV Infection: To Be or Not to Be?
Gelmon, Karen and Weller, I.V.D.
GENITOURINARY MEDICINE 65(3): 143-145, June 1989
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Is Recruitment More Difficult With a Placebo Arm in Randomised Controlled Trials? a Quasirandomised, Interview Based Study Welton, A.J.; Vickers, M.R.; Cooper, J.A.; Meade, T.W.; Marteau, T.M. (1999-04-24)OBJECTIVE: To investigate whether including a placebo arm in a clinical trial of hormone replacement therapy influenced women's stated willingness to participate. DESIGN: Quasirandomised, interview based study. Setting: ...