title: Coital rates and sex ratios in the South Pacific.
authors.affiliation: Galton Laboratory, University College London, Great Britain.
authors.forename: W H
authors.initials: WH
authors.lastname: James
mesh_terms: D000328:Adult; D003075:Coitus; D005260:Female; D006801:Humans; D008297:Male; D008423:Maternal Age; D008849:Micronesia / Q000453:epidemiology; D012744:Sex Ratio