title: Effects of levodopa on systolic preejection period, blood pressure, and heart rate during acute and chronic treatment of Parkinson's disease.
mesh_terms: D001794:Blood Pressure / Q000187:drug effects*; D002302:Cardiac Output / Q000187:drug effects*; D002986:Clinical Trials as Topic; D004295:Dihydroxyphenylalanine / Q000494:pharmacology* / Q000627:therapeutic use; D004298:Dopamine / Q000494:pharmacology; D004562:Electrocardiography; D004837:Epinephrine / Q000494:pharmacology; D006339:Heart Rate / Q000187:drug effects*; D006801:Humans; D010300:Parkinson Disease / Q000188:drug therapy* / Q000503:physiopathology; D010701:Phonocardiography; D010919:Placebos; D011433:Propranolol / Q000494:pharmacology; D011941:Receptors, Adrenergic; D013268:Stimulation, Chemical
chemical_list: D010919:Placebos; D011941:Receptors, Adrenergic; D004295:Dihydroxyphenylalanine; D011433:Propranolol; D004298:Dopamine; D004837:Epinephrine