9Inez Nichols, James P. Humphrey. The Efficacy of Upper Arm Placement of Peripherally Inserted Central Catheters Using Bedside Ultrasound and Microintroducer Technique[J]. Journal of infusion Nursing. 2008,31 (3) : 165-173.
10Yaghmai B, Owens CA, Warner D. Peripherally inserted central catheters[J]. Semin Intervent Radiol. 1998, 15 (3) : 305- 314.