Review
Copyright ©The Author(s) 2018.
World J Gastroenterol. Jul 28, 2018; 24(28): 3055-3070
Published online Jul 28, 2018. doi: 10.3748/wjg.v24.i28.3055
Figure 2
Figure 2 Ovid MEDLINE literature search results. After initial search and limitations, results were further screened by a single expert reviewer.