Shape, size and relative position of the skeletal elements of the skull and of the bills in unilaterally microphthalmic duck embryos [proceedings].
D000818:Animals; D001502:Beak / Q000002:abnormalities* / Q000196:embryology; D001715:Bird Diseases / Q000196:embryology*; D004372:Ducks; D008850:Microphthalmos / Q000196:embryology / Q000209:etiology / Q000662:veterinary*