Non-steroidal anti-inflammatory drugs and risk of serious coronary heart disease: an observational cohort study. Ray WA, Stein CM, Hall K, Daugherty JR, Griffin MR (2002) Lancet 359: 118-23 Determining cause of death in prostate cancer: are death certificates valid? Penson DF, Albertsen PC, Nelson PS, Barry M, Stanford JL (2001) J Natl Cancer Inst 93: 1822-3 Expansion of the surgical Apgar score across all surgical subspecialties as a means to predict postoperative mortality. Reynolds PQ, Sanders NW, Schildcrout JS, Mercaldo ND, St Jacques PJ (2011) Anesthesiology 114: 1305-12 Predictors of injury mortality in early childhood. Scholer SJ, Mitchel EF, Ray WA (1997) Pediatrics 100: 342-7 Methodological issues in evaluating expanded Medicaid coverage for pregnant women. Piper JM, Ray WA, Griffin MR, Fought R, Daughtery JR, Mitchel E (1990) Am J Epidemiol 132: 561-71
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