title: Treatment challenges in early stage Parkinson's disease.
authors.affiliation: The Parkinson's Institute, 1170 Morse Avenue, Sunnyvale, CA 94089, USA. jtetrud@parkinsoninstitute.org
authors.forename: James
authors.initials: J
authors.lastname: Tetrud
mesh_terms: D000368:Aged; D000978:Antiparkinson Agents / Q000009:adverse effects / Q000627:therapeutic use*; D018450:Disease Progression; D042241:Early Diagnosis; D006801:Humans; D007980:Levodopa / Q000009:adverse effects / Q000627:therapeutic use; D008297:Male; D008875:Middle Aged; D009460:Neurologic Examination / Q000187:drug effects; D018696:Neuroprotective Agents / Q000009:adverse effects / Q000627:therapeutic use; D010300:Parkinson Disease / Q000175:diagnosis / Q000188:drug therapy*
chemical_list: D000978:Antiparkinson Agents; D018696:Neuroprotective Agents; D007980:Levodopa