title: A simple method of heparin management during prolonged extracorporeal circulation.
mesh_terms: D001780:Blood Coagulation Tests; D005112:Extracorporeal Circulation; D006493:Heparin / Q000008:administration & dosage / Q000627:therapeutic use*; D006801:Humans; D008722:Methods; D010107:Oxygenators, Membrane; D010477:Perfusion; D012131:Respiratory Insufficiency / Q000601:surgery; D013223:Statistics as Topic; D013997:Time Factors; D014554:Urination
chemical_list: D006493:Heparin