1. Another Earth: Innate Lymphoid Cells and Intestinal Inflammation
Lin Lin, Jonathan Braun 
Gastroenterology 
Volume 141, Issue 5, Pages (November 2011)
DOI: /j.gastro
Copyright © 2011 AGA Institute Terms and Conditions

2. Figure 1
Visible Earth. NASA Goddard Space Flight Center images by Reto Stöckli and Robert Simmon.
Available at:
Gastroenterology  , DOI: ( /j.gastro )
Copyright © 2011 AGA Institute Terms and Conditions