title: Parkinson's drugs linked to heart valve trouble.
mesh_terms: D000978:Antiparkinson Agents / Q000009:adverse effects*; D000077465:Cabergoline; D004873:Ergolines / Q000009:adverse effects*; D006349:Heart Valve Diseases / Q000139:chemically induced*; D006801:Humans; D010479:Pergolide / Q000009:adverse effects*
chemical_list: D000978:Antiparkinson Agents; D004873:Ergolines; D010479:Pergolide; D000077465:Cabergoline