title: Nature and etiology of the Poland anomaly.
mesh_terms: D000014:Abnormalities, Drug-Induced; D000015:Abnormalities, Multiple / Q000209:etiology*; D000024:Abortion, Illegal; D002648:Child; D004874:Ergonovine / Q000009:adverse effects; D005260:Female; D006801:Humans; D007086:Illegitimacy; D008875:Middle Aged; D010369:Pectoralis Muscles / Q000002:abnormalities*; D011247:Pregnancy; D013576:Syndactyly / Q000139:chemically induced / Q000209:etiology*; D013577:Syndrome
chemical_list: D004874:Ergonovine