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Current Gastroenterology Reports > 2019 > 21 > 8 > 1-10
International Journal of Colorectal Disease > 2019 > 34 > 4 > 599-605
BMC Public Health > 2018 > 18 > 1 > 1-10
Digestive Diseases and Sciences > 2012 > 57 > 8 > 2203-2212