The precise pathogenesis of NEC is elusive. For a brief review of GI anatomy and physiology, see Sidebar 2. As early as 1975, the triad of GI mucosal injury, presence of bacteria in the gut ...

You will be able to get a quick price and instant permission to reuse the content in many different ways. Vitamin B-12 is absorbed from the terminal ileum, which is a commonly affected segment of gut ...