title: A study of some effects of sex hormones upon the embryonic reproductive system of the white pekin duck.
authors.forename: L B
authors.initials: LB
authors.lastname: LEWIS
mesh_terms: D000818:Animals; D004372:Ducks; D004626:Embryology; D005835:Genitalia / Q000196:embryology*; D012739:Gonadal Steroid Hormones; D006801:Humans
chemical_list: D012739:Gonadal Steroid Hormones