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Hlatky MA, Boothroyd D, Vittinghoff E, Sharp P, Whooley MA; Heart and Estrogen/Progestin Replacement Study (HERS) Research Group.Hlatky MA, et al. Among authors: whooley ma.JAMA. 2002 Feb 6;287(5):591-7. doi: 10.1001/jama.287.5.591.JAMA. 2002.PMID: 11829697Clinical Trial.