[Polymelia induced by vitamin A in embryos of Bufo vulgaris].
D000014:Abnormalities, Drug-Induced; D000818:Animals; D002025:Bufonidae; D004625:Embryo, Nonmammalian / Q000187:drug effects*; D017880:Limb Deformities, Congenital; D014801:Vitamin A / Q000009:adverse effects*
D014801:Vitamin A