Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain
the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in
Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles
and JavaScript.
In this issue, Patel and Denning review the protective and pathologic roles of intestinal microbiota in necrotizing enterocolitis. See the Clinical Review on p. 232. Image courtesy of Patricia Denning.