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O'Donnell CJ, Ridker PM, Glynn RJ, Berger K, Ajani U, Manson JE, Hennekens CH.O'Donnell CJ, et al.Circulation. 1997 Mar 4;95(5):1132-7. doi: 10.1161/01.cir.95.5.1132.Circulation. 1997.PMID: 9054841Clinical Trial.
Albert CM, Hennekens CH, O'Donnell CJ, Ajani UA, Carey VJ, Willett WC, Ruskin JN, Manson JE.Albert CM, et al.JAMA. 1998 Jan 7;279(1):23-8. doi: 10.1001/jama.279.1.23.JAMA. 1998.PMID: 9424039