title: Why warfarin and heparin need to overlap when treating acute venous thromboembolism.
authors.forename: Ann K
authors.initials: AK
authors.lastname: Wittkowsky
mesh_terms: D000925:Anticoagulants / Q000493:pharmacokinetics / Q000494:pharmacology / Q000627:therapeutic use; D004359:Drug Therapy, Combination; D006207:Half-Life; D006493:Heparin / Q000493:pharmacokinetics / Q000494:pharmacology / Q000627:therapeutic use; D006801:Humans; D019934:International Normalized Ratio; D020246:Venous Thrombosis / Q000188:drug therapy* / Q000503:physiopathology; D014812:Vitamin K / Q000037:antagonists & inhibitors*; D014859:Warfarin / Q000493:pharmacokinetics / Q000494:pharmacology / Q000627:therapeutic use
chemical_list: D000925:Anticoagulants; D014812:Vitamin K; D014859:Warfarin; D006493:Heparin