2Valdis L, Abhishek K, Pratik A. Analysis of the Sherlock II tip location system for inserting peripherally inserted central venous catheters. Clin Imaging, 2013, 37:917-921.
3Gemma O, Matt J. Evaluation of an electrocardiograph based PICC tip verification system. Br J Nurs, 2013, 22: s24-s28.
4Nicole S. Are supine chest and abdominal radiographs the best way to confirm PICC placement in neonates?. Neonatal Netw, 2010, 29: 23- 35.