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Results 1 - 1 of 1 for Unusual gastrointestinal infection
  1. ... The test can help find the cause of unusual redness, swelling, and/or irritation around the anus. ... screens]. Available from: https://www.merckmanuals.com/professional/gastrointestinal-disorders/how-to-do-gastrointestinal-procedures/how-to-do-anoscopy Merck Manual Consumer ...