R. M. Lee

In vitro and in vivo evaluation of a reusable double-channel sphincterotome.

R. Kozarek, T. Ball, D. Patterson, 1999, Gastrointestinal endoscopy.

Risk of contamination of sterile biopsy forceps in disinfected endoscopes.

R. Kozarek, S. Sumida, S. Raltz, 1997, Gastrointestinal endoscopy.