1. Update on the Use of Thiopurines and Methotrexate in Inflammatory Bowel Disease

   • Christopher M. Johnson
   • Themistocles Dassopoulos

   Inflammatory Bowel Disease (S Hanauer, Section Editor) 28 September 2018 Article: 53

2. Wireless 24, 48, and 96 Hour or Impedance or Oropharyngeal Prolonged pH Monitoring: Which Test, When, and Why for GERD?

   • Soojong Chae
   • Joel E. Richter

   Neurogastroenterology and Motility Disorders of the Gastrointestinal Tract (S Rao, Section Editor) 26 September 2018 Article: 52

   

3. Cellular Origins of Barrett’s Esophagus: the Search Continues

   • Horace Rhee
   • David H. Wang

   Esophagus (J Clarke and N Ahuja, Section Editors) 26 September 2018 Article: 51

4. Should Sarcopenia Increase Priority for Transplant or Is It a Contraindication?

   • Guido Stirnimann
   • Maryam Ebadi
   • Aldo J. Montano-Loza

   Liver (S Cotler and E Kallwitz, Section Editors) 26 September 2018 Article: 50