8Riapisarda C, Lanteri R, Santangelo M, et al. Totally implantable venous access ports: a clinical trial comparing percutaneous versus surgical technique [J]. Chir Ital,2006,58(3) :305-308.
9Ahlin C, Klang-S/3derkvist B, Brundin S, et al. Implementation of a written protocol for management of central venous access devices., a theoretical and practical education, including bedside examinations[J]. J Infus Nurs,2006,29(5) :253-259.