title: Heparin resistance prior to cardiopulmonary bypass.
mesh_terms: D000368:Aged; D000990:Antithrombin III / Q000032:analysis; D001777:Blood Coagulation / Q000187:drug effects; D002315:Cardiopulmonary Bypass; D004351:Drug Resistance; D005260:Female; D006493:Heparin / Q000008:administration & dosage / Q000494:pharmacology*; D006801:Humans; D010978:Platelet Factor 4 / Q000378:metabolism
chemical_list: D010978:Platelet Factor 4; D000990:Antithrombin III; D006493:Heparin