title: Anticoagulant activity of heparin: separation of high-activity and low-activity heparin species by affinity chromatography on immobilized antithrombin.
mesh_terms: D000991:Antithrombins / Q000378:metabolism; D001665:Binding Sites; D001777:Blood Coagulation / Q000187:drug effects*; D002846:Chromatography, Affinity; D006493:Heparin / Q000032:analysis / Q000302:isolation & purification / Q000494:pharmacology; D007526:Isoelectric Point; D014574:Uronic Acids / Q000032:analysis
chemical_list: D000991:Antithrombins; D014574:Uronic Acids; D006493:Heparin