Placebo controls: historical, methodological and general aspects

Phil. Trans. R. Soc. B366, 1870–1878 (27 June 2011) (doi:10.1098/rstb.2010.0401)

In the second paragraph of §2, the year ‘1784’ should replace ‘1884’ to read ‘This led to the Académie Française conducting an official trial in 1784, the first one in history where blinding was employed’.