title: Correlation of electrocardiographic changes with plasma quinidine concentration.
mesh_terms: D000368:Aged; D001145:Arrhythmias, Cardiac / Q000097:blood / Q000188:drug therapy / Q000503:physiopathology; D002851:Chromatography, High Pressure Liquid; D004562:Electrocardiography; D006801:Humans; D011802:Quinidine / Q000008:administration & dosage / Q000097:blood*
chemical_list: D011802:Quinidine