When is it appropriate to use a placebo arm in a trial?

Kenneth Rothman; Kenneth Rothman; KB Michels

When is it appropriate to use a placebo arm in a trial?

Rothman, K., & Michels, KB. (2002). When is it appropriate to use a placebo arm in a trial? In HA. Guess, A. Kleinman, JW. Kusek, & LW. Engel (Eds.), The Science of the Placebo: Toward an Interdisciplinary Research Agenda BMJ Books.

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