title: Prothrombin time reporting and the International Normalized Ratio system. Improvements are needed.
authors.forename: W R
authors.initials: WR
authors.lastname: Swaim
mesh_terms: D000925:Anticoagulants / Q000009:adverse effects / Q000627:therapeutic use; D016903:Drug Monitoring / Q000592:standards*; D006801:Humans; D007753:Laboratories / Q000592:standards*; D011517:Prothrombin Time; D012015:Reference Standards; D012016:Reference Values; D014944:World Health Organization
chemical_list: D000925:Anticoagulants