title: [Effects and side effects of levodopa in parkinsonism - results of a collaborative study. (2) The relationship between the age of the onset and therapeutic effects].
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D006801:Humans; D007980:Levodopa / Q000627:therapeutic use*; D008875:Middle Aged; D010300:Parkinson Disease / Q000188:drug therapy*
chemical_list: D007980:Levodopa