Prevention and management of gastroesophageal varices and variceal hemorrhage in cirrhosis | webmd - What Do Different Poop Colors Mean? |
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Philadelphia, Pa: Mosby Elsevier;2009:chap 22 | Guidelines for prevention of NSAID-related ulcer complications |
medicalnewstoday - Why does poop turn green and other colors? medicalnewstoday - What are the different types of poop? Rosen's Emergency Medicine: Concepts and Clinical Practice.
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