International Journal of Epidemiology, Volume 33, Number 2, pp. 252
IJE vol.33 no.2 © International Epidemiological Association 2004; all rights reserved.
Commentary |
Commentary: MRC Patulin trial
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The MRC Patulin trial1 was undertaken in 19431944 to investigate a proposed remedy for the common cold. Only a few clinical trials took place before the second world war and they often had serious defects of planning or execution. The Patulin trial, it is claimed, was the first to meet the rigorous requirements for a scientifically