for the Swedish Angina Pectoris Aspirin Trial (SAPAT) Group: Double-blind trial of aspirin in primary prevention of myocardial infarction in patients with stable chronic angina pectoris - Juul-Møller, S; Edvardsson, N; Jahnmatz, B; Rosén, A; Sørensen, S; Ømblus, R (Lancet, 1992)