title: A critical assessment on the preservation method of saphenous vein grafts for aorta-coronary bypass operation, with reference to its ultrastructural characterization.
mesh_terms: D003080:Cold Temperature; D001026:Coronary Artery Bypass; D006801:Humans; D011188:Potassium; D012501:Saphenous Vein / Q000648:ultrastructure*; D013696:Temperature; D014021:Tissue Preservation / Q000379:methods*
chemical_list: D011188:Potassium