title: Sex ratio unaffected by parental age gap.
authors.forename: F
authors.initials: F
authors.lastname: Arnold
authors.forename: S
authors.initials: S
authors.lastname: Rutstein
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D008297:Male; D008423:Maternal Age; D008875:Middle Aged; D010331:Paternal Age; D012744:Sex Ratio