title: Pigmentation in Parkinson's disease treated with levodopa.
mesh_terms: D004295:Dihydroxyphenylalanine / Q000494:pharmacology* / Q000627:therapeutic use; D006801:Humans; D008297:Male; D008875:Middle Aged; D010300:Parkinson Disease / Q000188:drug therapy*; D010858:Pigmentation / Q000187:drug effects*
chemical_list: D004295:Dihydroxyphenylalanine