Records

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.

Boston collaborative drug surveillance group. Regular aspirin intake and acute myocardial infarction. BMJ 1974;1,440-443.