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Type and distribution of gastric epithelial stem cells in different regions of the stomach. The gastric diagram was modified from the website of American Cancer Association at http://www.cancer.org/cancer/stomachcancer/detailedguide/stomach-cancer-what-is-stomach-cancer, accessed on July 27, 2016. The information on gastric epithelial stem cell types and locations was from references [2,3,4,5,6,7]. +, positive.
