title: Parkinson's syndrome: aetiological factors and certain clinical features.
mesh_terms: D000328:Adult; D000368:Aged; D001930:Brain Injuries / Q000150:complications; D002090:Butyrophenones / Q000009:adverse effects; D005260:Female; D006801:Humans; D002537:Intracranial Arteriosclerosis / Q000150:complications; D008297:Male; D008750:Methyldopa / Q000009:adverse effects; D008875:Middle Aged; D010300:Parkinson Disease / Q000453:epidemiology / Q000209:etiology* / Q000235:genetics; D010301:Parkinson Disease, Postencephalitic; D010302:Parkinson Disease, Secondary / Q000139:chemically induced; D010640:Phenothiazines / Q000009:adverse effects; D012110:Reserpine / Q000009:adverse effects
chemical_list: D002090:Butyrophenones; D010640:Phenothiazines; D008750:Methyldopa; D012110:Reserpine