1. Role of Endoscopy in Primary Sclerosing Cholangitis

   • Nabeel S. Koro
   • Samer Alkaade

   Liver (B Bacon, Section Editor) 21 November 2013 Article: 361

2. High Resolution and High Definition Anorectal Manometry and Pressure Topography: Diagnostic Advance or a New Kid on the Block?

   • Yeong Yeh Lee
   • Askin Erdogan
   • Satish S. C. Rao

   Neuromuscular Disorders of the Gastrointestinal Tract (S Rao, Section Editor) 23 November 2013 Article: 360

   

3. Solid Liver Masses: Approach to Management from the Standpoint of a Radiologist

   • Robert Garrett

   Liver (B Bacon, Section Editor) 17 November 2013 Article: 359

   

4. The American College of Gastroenterology’s New Guidelines on Achalasia: What Clinicians Need to Know

   • Michael F. Vaezi

   Invited Commentary 17 November 2013 Article: 358

5. Gas and the Microbiome

   • Mark Pimentel
   • Ruchi Mathur
   • Christopher Chang

   Neuromuscular Disorders of the Gastrointestinal Tract (S Rao, Section Editor) 23 October 2013 Article: 356