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Krumholz, H. M.; Radford, M. J.; Ellerbeck, E. F.; Hennen, J.; Meehan, T. P.; Petrillo, M.; Wang, Y.; Kresowik, T. F.; Jencks, S. F. (1995). "Aspirin in the treatment of acute myocardial infarction in elderly Medicare beneficiaries. Patterns of use and outcomes". Circulation. 92 (10): 2841–2847. doi:10.1161/01.CIR.92.10.2841. PMID7586250.
Algra, Annemijn M; Rothwell, Peter M (2012). "Effects of regular aspirin on long-term cancer incidence and metastasis: A systematic comparison of evidence from observational studies versus randomised trials". The Lancet Oncology. 13 (5): 518–27. doi:10.1016/S1470-2045(12)70112-2. PMID22440112.