title: [Anticoagulant therapy with warfarin--still difficult].
authors.forename: Per Morten
authors.initials: PM
authors.lastname: Sandset
mesh_terms: D000925:Anticoagulants / Q000008:administration & dosage*; D004305:Dose-Response Relationship, Drug; D006801:Humans; D019934:International Normalized Ratio; D014859:Warfarin / Q000008:administration & dosage*
chemical_list: D000925:Anticoagulants; D014859:Warfarin