title: The human prenatal sex ratio: A major surprise.
authors.affiliation: Department of Biology, University of Alabama at Birmingham, Birmingham, AL 35294-1170 austad@uab.edu.
authors.forename: Steven N
authors.initials: SN
authors.lastname: Austad
mesh_terms: D005260:Female; D005306:Fertilization; D006801:Humans; D008297:Male; D036801:Parturition; D011247:Pregnancy; D012744:Sex Ratio
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