title: Experience with a thrombin clotting time assay for measuring heparin activity.
mesh_terms: D001778:Blood Coagulation Disorders / Q000188:drug therapy; D001780:Blood Coagulation Tests; D002118:Calcium; D004355:Drug Stability; D005340:Fibrinogen / Q000032:analysis; D006493:Heparin / Q000008:administration & dosage / Q000097:blood* / Q000627:therapeutic use; D006801:Humans; D007275:Injections, Intravenous; D008297:Male; D008722:Methods; D011479:Protamines / Q000494:pharmacology; D013696:Temperature; D013917:Thrombin / Q000008:administration & dosage*; D013925:Thromboplastin
chemical_list: D011479:Protamines; D005340:Fibrinogen; D006493:Heparin; D013925:Thromboplastin; D013917:Thrombin; D002118:Calcium