Surgical resident's training in colonoscopy: numbers, competency, and perceptions.
Spier
Bret J
BJ
Section of Gastroenterology and Hepatology, Department of Medicine, University of Wisconsin Medical School, H6/516 Clinical Science Center, 600 Highland Avenue, Madison, WI 53792-5124, USA. bj.spier@hosp.wisc.edu
Durkin
Emily T
ET
Walker
Andrew J
AJ
Foley
Eugene
E
Gaumnitz
Eric A
EA
Pfau
Patrick R
PR