INTERCHANGEABLITY OF ANTIPARKINSONIAN MEDICATION.
D000978:Antiparkinson Agents; D035843:Biomedical Research; D005116:Extrapyramidal Tracts; D005853:Geriatrics; D006801:Humans; D010276:Parasympatholytics; D020734:Parkinsonian Disorders; D010919:Placebos; D011398:Promethazine; D012559:Schizophrenia; D014282:Trihexyphenidyl
D000978:Antiparkinson Agents; D010276:Parasympatholytics; D010919:Placebos; D014282:Trihexyphenidyl; D011398:Promethazine
CLINICAL RESEARCH; EXTRAPYRAMIDAL TRACTS; GERIATRICS; PARASYMPATHOLYTICS; PARKINSONISM; PLACEBOS; PROMETHAZINE; SCHIZOPHRENIA; TRIHEXYPHENIDYL