title: Why does the blood not coagulate?
authors.forename: O D
authors.initials: OD
authors.lastname: Ratnoff
mesh_terms: D001777:Blood Coagulation / Q000502:physiology*; D005167:Factor VII / Q000037:antagonists & inhibitors; D005174:Factor XII / Q000502:physiology; D006801:Humans; D008074:Lipoproteins / Q000502:physiology; D011480:Protease Inhibitors; D013917:Thrombin / Q000502:physiology; D013925:Thromboplastin / Q000037:antagonists & inhibitors
chemical_list: D008074:Lipoproteins; D011480:Protease Inhibitors; C051928:lipoprotein-associated coagulation inhibitor; D005167:Factor VII; D005174:Factor XII; D013925:Thromboplastin; D013917:Thrombin