title: An objective study of alternative methods of heparin administration.
mesh_terms: D001780:Blood Coagulation Tests; D005268:Femoral Vein / Q000000981:diagnostic imaging; D006493:Heparin / Q000008:administration & dosage* / Q000097:blood; D006801:Humans; D007275:Injections, Intravenous; D007279:Injections, Subcutaneous; D008168:Lung / Q000000981:diagnostic imaging; D008875:Middle Aged; D011152:Popliteal Vein / Q000000981:diagnostic imaging; D011859:Radiography; D011877:Radionuclide Imaging; D013924:Thrombophlebitis / Q000188:drug therapy
chemical_list: D006493:Heparin