title: Effect of levodopa treatment for parkinsonism in welders: a double-blind study.
authors.forename: Nai-Shin
authors.initials: NS
authors.lastname: Chu
mesh_terms: D017668:Age of Onset; D001921:Brain / Q000187:drug effects* / Q000503:physiopathology; D002986:Clinical Trials as Topic / Q000592:standards; D003937:Diagnosis, Differential; D003951:Diagnostic Errors / Q000517:prevention & control*; D015259:Dopamine Agents / Q000627:therapeutic use; D004311:Double-Blind Method; D004421:Dystonia / Q000139:chemically induced / Q000175:diagnosis / Q000503:physiopathology; D020233:Gait Disorders, Neurologic / Q000139:chemically induced / Q000175:diagnosis / Q000503:physiopathology; D006801:Humans; D007980:Levodopa / Q000627:therapeutic use; D008345:Manganese / Q000009:adverse effects*; D020149:Manganese Poisoning / Q000175:diagnosis* / Q000503:physiopathology; D016273:Occupational Exposure / Q000517:prevention & control*; D010302:Parkinson Disease, Secondary / Q000139:chemically induced* / Q000175:diagnosis* / Q000188:drug therapy; D014202:Tremor / Q000139:chemically induced / Q000175:diagnosis / Q000503:physiopathology; D014896:Welding
chemical_list: D015259:Dopamine Agents; D008345:Manganese; D007980:Levodopa