title: The development of fibrin sheath on indwelling venous catheters.
mesh_terms: D002404:Catheterization / Q000009:adverse effects*; D003097:Collateral Circulation; D005337:Fibrin; D005542:Forearm / Q000098:blood supply; D006225:Hand / Q000098:blood supply; D006493:Heparin; D006801:Humans; D008722:Methods; D011138:Polytetrafluoroethylene; D011145:Polyvinyls; D011859:Radiography; D013350:Subclavian Vein / Q000000981:diagnostic imaging; D013924:Thrombophlebitis / Q000517:prevention & control*; D013997:Time Factors; D014953:Wrist / Q000098:blood supply
chemical_list: D011145:Polyvinyls; D005337:Fibrin; D011138:Polytetrafluoroethylene; D006493:Heparin