Abstract Lower gastrointestinal hemorrhage accounts for approximately 20% of gastrointestinal hemorrhage. The most common causes of lower gastrointestinal hemorrhage in adults are diverticular disease. inflammatory bowel disease. benign anorectal diseases. https://fvdoez9a6prw.dsiblogger.com/67920910/mira-variables-based-on-emission-lines-in-lamost-dr9