title: Genetic and non-genetic determinants of the human sex ratio at birth.
authors.forename: W H
authors.initials: WH
authors.lastname: James
mesh_terms: D000818:Animals; D005260:Female; D014644:Genetic Variation; D005823:Genetics; D006801:Humans; D008285:Major Histocompatibility Complex; D008297:Male; D012744:Sex Ratio