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Elwood PC, Cochrane AL, Burr ML, Sweetnam PM, Williams G, Welsby E, Hughes SJ, Renton R (1974). A randomized controlled trial of acetyl salicylic acid in the secondary prevention of mortality from myocardial infarction. BMJ 1:436-440.
The editors are grateful to:
BMJ for allowing the James Lind Library to link to this and other BMJ articles of historical relevance (email to Iain Chalmers from Fiona Godlee, 05 May 2015).