3Stone BA. Ultrasound guidance for peripheral venous access: a simplified seldinger technique[J]. Anesthesiology, 2007, 106(1): 195.
4Hockley SJ, Hamilton V, Young RI, et al. Efficacy of the CathRite system to guide bedside placement of peripherally inserted central venous catheters in critically ill patients: a pilot study[J]. Crit Care Resusc, 2007, 9(3): 251-255.