title: The sex ratio of human births related to maternal age.
authors.forename: C R
authors.initials: CR
authors.lastname: LOWE
authors.forename: T
authors.initials: T
authors.lastname: McKEOWN
mesh_terms: D005260:Female; D006801:Humans; D008423:Maternal Age; D011247:Pregnancy; D012723:Sex; D012744:Sex Ratio; D014798:Vital Statistics
keywords: PREGNANCY; SEX; VITAL STATISTICS