8Weinstein SM. Plumer's principles and practice of intravenous therapy[M]. 8th ed. Philadelphia, PA: Lippincott Williams & Wilkins, 2006 : 207 - 208.
9Fearonce G, Faraklas I, Saffle J R, et al.Peripherally inserted central venous catheters and central venous catheters in burn patients : a comparative review[J].J Bwrn Care pes, 2010, 31 ( 1 ) : 31.
10Moureau NL. Using ultrasound to guide PICC insertion [ J ]. Nursing, 2003,33(12) :20.