title: Long-term anticoagulant therapy prevents recurrent venous thromboembolism.
mesh_terms: D006493:Heparin / Q000627:therapeutic use*; D006801:Humans; D012008:Recurrence; D013923:Thromboembolism / Q000517:prevention & control*; D014859:Warfarin / Q000627:therapeutic use*
chemical_list: D014859:Warfarin; D006493:Heparin