title: Confusion over the therapeutic range for monitoring oral anticoagulant therapy in North America.
authors.affiliation: Department of Medicine, McMaster University, Hamilton, Ontario, Canada.
authors.forename: J
authors.initials: J
authors.lastname: Hirsh
authors.forename: M
authors.initials: M
authors.lastname: Levine
mesh_terms: D000284:Administration, Oral; D000925:Anticoagulants / Q000008:administration & dosage*; D006801:Humans; D009656:North America; D011517:Prothrombin Time; D013925:Thromboplastin / Q000592:standards
chemical_list: D000925:Anticoagulants; D013925:Thromboplastin