Observational Study
Copyright ©The Author(s) 2015.
World J Gastroenterol. May 28, 2015; 21(20): 6304-6309
Published online May 28, 2015. doi: 10.3748/wjg.v21.i20.6304
Figure 1
Figure 1 Kaplan-Meier survival curve. Study group = Group A; Control group = Group B.