5Schwarz RE, Coit DG, Groeger JS.Transcutaneously tun-neled central venous lines in cancer patients: an analy-sis of device-related morbidity factors based on prospec-tive data collection[J]. Ann Surg Oncol, 2000,7(6):441
6Burney IA, Khurshaldi N, Akbar MT, et al. Complica-tions of in-dwelling venous access device: a single insti-tution experience[J]. J Pak Med Assoc, 2001,51:434
