%0 Case Reports %T An Unusual Case of Lower Gastrointestinal Hemorrhage. %A Xiong S %A Lin S %A Mao R %J Gastroenterology %V 165 %N 3 %D 09 2023 6 %M 36889553 %F 33.883 %R 10.1053/j.gastro.2023.02.039