1. Volume 144, Issue 3, Pages 544-550 (March 2013)
Increased Risk of Advanced Neoplasms Among Asymptomatic Siblings of Patients With Colorectal Cancer 
Siew C. Ng, James Y.W. Lau, Francis K.L. Chan, Bing Yee Suen, Wai–Keung Leung, Yee Kit Tse, Simon S.M. Ng, Janet F.Y. Lee, Ka– Fai To, Justin C.Y. Wu, Joseph J.Y. Sung 
Gastroenterology 
Volume 144, Issue 3, Pages (March 2013)
DOI: /j.gastro
Copyright © 2013 AGA Institute Terms and Conditions

2. Figure 1
Study population. (A) Siblings of patients with CRC and (B) siblings of matched controls.
Gastroenterology  , DOI: ( /j.gastro )
Copyright © 2013 AGA Institute Terms and Conditions