title: The value of monitoring heparin therapy in the prevention of recurrence in patients with venous thromboembolic disease.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001780:Blood Coagulation Tests; D005260:Female; D006470:Hemorrhage / Q000139:chemically induced / Q000517:prevention & control; D006493:Heparin / Q000008:administration & dosage / Q000009:adverse effects / Q000627:therapeutic use*; D006801:Humans; D007263:Infusions, Parenteral; D008297:Male; D008875:Middle Aged; D011446:Prospective Studies; D011655:Pulmonary Embolism / Q000175:diagnosis / Q000000981:diagnostic imaging / Q000517:prevention & control; D011859:Radiography; D011877:Radionuclide Imaging; D012008:Recurrence; D013923:Thromboembolism / Q000517:prevention & control*; D013924:Thrombophlebitis / Q000150:complications / Q000517:prevention & control*; D013925:Thromboplastin; D013997:Time Factors
chemical_list: D006493:Heparin; D013925:Thromboplastin