title: Human umbilical vein and polytetrafluorethylene arterial grafts compared in an artificial circulation.
mesh_terms: D001705:Bioprosthesis; D001807:Blood Vessel Prosthesis; D006801:Humans; D008855:Microscopy, Electron, Scanning; D008955:Models, Cardiovascular; D010973:Platelet Adhesiveness; D010974:Platelet Aggregation; D010976:Platelet Count; D011138:Polytetrafluoroethylene; D013927:Thrombosis / Q000209:etiology; D014471:Umbilical Veins
chemical_list: D011138:Polytetrafluoroethylene