There Is Less Interobserver Variability When Using Total Cannulation Time As a Measure of Cannulation Difficulty At ERCP Compared to the Total Number of Attempts
Steven H. Epstein, Maarouf A. Hoteit, Jae Nam, John Affronti, Qiang CaiVolume:
65
Year:
2007
Language:
english
DOI:
10.1016/j.gie.2007.03.514
File:
PDF, 40 KB
english, 2007