title: Martin's treatment of the human sex ratio at birth.
authors.affiliation: Galton Laboratory, University College London, England.
authors.forename: W H
authors.initials: WH
authors.lastname: James
mesh_terms: D000818:Animals; D001130:Arizona; D001722:Birth Order; D003075:Coitus; D005260:Female; D005306:Fertilization / Q000502:physiology*; D006801:Humans; D007198:Indians, North American; D007231:Infant, Newborn; D008297:Male; D008393:Marriage; D008954:Models, Biological; D012744:Sex Ratio