[Methods of maintaining access to veins for infusion].
D003428:Cross Infection / Q000517:prevention & control; D006493:Heparin / Q000627:therapeutic use; D006801:Humans; D007263:Infusions, Parenteral / Q000009:adverse effects / Q000379:methods*; D011446:Prospective Studies; D013924:Thrombophlebitis / Q000517:prevention & control
D006493:Heparin