title: Holoprosencephaly in human embryos.
mesh_terms: D000014:Abnormalities, Drug-Induced / Q000209:etiology*; D001921:Brain / Q000002:abnormalities*; D004032:Diet; D005260:Female; D006801:Humans; D011247:Pregnancy; D014704:Veratrum Alkaloids / Q000633:toxicity*
chemical_list: D014704:Veratrum Alkaloids