title: Do gonadal hormones confound between parental smoking and offspring sex ratio?
authors.forename: William H
authors.initials: WH
authors.lastname: James
mesh_terms: D015986:Confounding Factors, Epidemiologic; D012739:Gonadal Steroid Hormones / Q000097:blood*; D006801:Humans; D010290:Parents; D012744:Sex Ratio; D012907:Smoking / Q000097:blood*
chemical_list: D012739:Gonadal Steroid Hormones