title: THE EFFECT OF INTRAMUSCULAR PROCAINE INJECTIONS ON THE RIGIDITY OF PARKINSONISM.
mesh_terms: D035843:Biomedical Research; D004358:Drug Therapy; D007273:Injections, Intramuscular; D009127:Muscle Rigidity; D020734:Parkinsonian Disorders; D011343:Procaine
chemical_list: D011343:Procaine
keywords: CLINICAL RESEARCH; DRUG THERAPY; INJECTIONS, INTRAMUSCULAR; PARKINSONISM; PROCAINE