title: Critical appraisal, clinical usefulness, and implementation of the thromboplastin concept of prothrombin-time standardization.
mesh_terms: D000818:Animals; D001777:Blood Coagulation / Q000187:drug effects; D001779:Blood Coagulation Factors / Q000032:analysis; D001921:Brain; D002138:Calibration; D003374:Coumarins / Q000494:pharmacology; D006801:Humans; D008168:Lung; D010949:Plasma / Q000032:analysis; D011517:Prothrombin Time; D011817:Rabbits; D012015:Reference Standards; D013925:Thromboplastin / Q000592:standards*
chemical_list: D001779:Blood Coagulation Factors; D003374:Coumarins; D013925:Thromboplastin