title: International Normalized Ratios (INR): the first 20 years.
authors.affiliation: The University of Manchester, Manchester, UK. ecaa@man.ac.uk
authors.forename: L
authors.initials: L
authors.lastname: Poller
mesh_terms: D000925:Anticoagulants / Q000008:administration & dosage; D002138:Calibration; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D019934:International Normalized Ratio / Q000266:history*; D017410:Practice Guidelines as Topic; D011517:Prothrombin Time / Q000379:methods / Q000592:standards; D014944:World Health Organization
chemical_list: D000925:Anticoagulants