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LaCroix AZ, Chlebowski RT, Manson JE, Aragaki AK, Johnson KC, Martin L, Margolis KL, Stefanick ML, Brzyski R, Curb JD, Howard BV, Lewis CE, Wactawski-Wende J; WHI Investigators.LaCroix AZ, et al.JAMA. 2011 Apr 6;305(13):1305-14. doi: 10.1001/jama.2011.382.JAMA. 2011.PMID: 21467283Free PMC article.Clinical Trial.