Case Control Study
Copyright ©The Author(s) 2017.
World J Gastroenterol. Dec 21, 2017; 23(47): 8355-8366
Published online Dec 21, 2017. doi: 10.3748/wjg.v23.i47.8355
Figure 1
Figure 1 The selection of the study population and experimental design. 20 patients except for 25 patients to meet the exclusion criteria and decline to participate were finally analyzed.