title: Evidence of a catalytic role of heparin in anticoagulation reactions.
mesh_terms: D000818:Animals; D000925:Anticoagulants; D000991:Antithrombins / Q000494:pharmacology; D002417:Cattle; D002846:Chromatography, Affinity; D004305:Dose-Response Relationship, Drug; D005170:Factor X / Q000032:analysis; D006493:Heparin / Q000494:pharmacology*; D011485:Protein Binding; D012685:Sepharose; D013917:Thrombin / Q000037:antagonists & inhibitors
chemical_list: D000925:Anticoagulants; D000991:Antithrombins; D005170:Factor X; D006493:Heparin; D012685:Sepharose; D013917:Thrombin