title: ECG changes with papaverine injection into coronary artery bypass grafts.
mesh_terms: D001026:Coronary Artery Bypass; D003326:Coronary Circulation / Q000187:drug effects*; D004562:Electrocardiography; D006801:Humans; D008297:Male; D008875:Middle Aged; D010208:Papaverine / Q000494:pharmacology*
chemical_list: D010208:Papaverine