title: Parkinson's disease improvement after the addition of levodopa-carbidopa to anticholinergic treatment. An open controlled study.
mesh_terms: D000284:Administration, Oral; D000328:Adult; D000368:Aged; D002230:Carbidopa / Q000008:administration & dosage / Q000627:therapeutic use*; D004341:Drug Evaluation; D004359:Drug Therapy, Combination; D005260:Female; D006801:Humans; D007980:Levodopa / Q000008:administration & dosage / Q000627:therapeutic use*; D008297:Male; D008875:Middle Aged; D009127:Muscle Rigidity / Q000188:drug therapy; D010302:Parkinson Disease, Secondary / Q000188:drug therapy*; D014202:Tremor / Q000188:drug therapy; D014282:Trihexyphenidyl / Q000008:administration & dosage / Q000627:therapeutic use*
chemical_list: D007980:Levodopa; D014282:Trihexyphenidyl; D002230:Carbidopa