Vitamin A and the control of development.
D000014:Abnormalities, Drug-Induced / Q000209:etiology*; D000818:Animals; D002642:Chick Embryo; D005241:Feathers / Q000002:abnormalities / Q000196:embryology; D017880:Limb Deformities, Congenital; D009024:Morphogenesis / Q000187:drug effects*; D012038:Regeneration; D014212:Tretinoin / Q000633:toxicity; D014801:Vitamin A / Q000494:pharmacology*; D014921:Wings, Animal / Q000196:embryology
D014801:Vitamin A; D014212:Tretinoin