title: Single-dose study of slow release preparation of levodopa and benserazide (Madopar HBS) in Parkinson's disease.
mesh_terms: D000284:Administration, Oral; D000368:Aged; D001545:Benserazide / Q000009:adverse effects / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D003692:Delayed-Action Preparations; D004185:Disability Evaluation; D004338:Drug Combinations / Q000009:adverse effects / Q000627:therapeutic use; D006801:Humans; D006834:Hydrazines / Q000627:therapeutic use*; D007980:Levodopa / Q000009:adverse effects / Q000627:therapeutic use*; D008875:Middle Aged; D010300:Parkinson Disease / Q000188:drug therapy*; D011897:Random Allocation
chemical_list: D003692:Delayed-Action Preparations; D004338:Drug Combinations; D006834:Hydrazines; C005177:benserazide, levodopa drug combination; D007980:Levodopa; D001545:Benserazide