References:

1. Rosenbauer KA, Herzer JA. Surface morphology and tensile force at breaking point or different kinds of intravenous catheters before and after usage. Scan Electron Microsc. 1981;(Pt 3):125-30.

2. Collins JL, Lutz RJ. In vitro Study of Simultaneous Infusion of Incompatible Drugs in Multilumen Catheters. Heart & Lung. 1991; 20(3):271-7.