title: Heparin, brain thromboplastin and the insensitivity of the prothrombin time to heparin activity.
mesh_terms: D000991:Antithrombins; D001921:Brain; D055598:Chemical Phenomena; D002621:Chemistry; D006493:Heparin / Q000494:pharmacology*; D006494:Heparin Antagonists; D006801:Humans; D066298:In Vitro Techniques; D011517:Prothrombin Time; D013917:Thrombin; D013925:Thromboplastin; D013997:Time Factors
chemical_list: D000991:Antithrombins; D006494:Heparin Antagonists; D006493:Heparin; D013925:Thromboplastin; D013917:Thrombin