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Jacobs M, Nassar N, Roberts CL, Hadfield R, Morris JM, Ashton AW.Jacobs M, et al. Among authors: ashton aw.Reprod Biol Endocrinol. 2011 Jun 8;9:77. doi: 10.1186/1477-7827-9-77.Reprod Biol Endocrinol. 2011.PMID: 21649938Free PMC article.Review.