1. Occurrence of IgG4 in Esophageal Lichen Planus
Alexander J. Podboy, Jeffrey A. Alexander, Thomas C. Smyrk, Magnus Halland, Karthik Ravi, Debra M. Geno, Joseph A. Murray, David A. Katzka 
Clinical Gastroenterology and Hepatology 
Volume 15, Issue 12, Pages (December 2017)
DOI: /j.cgh
Copyright © 2017 AGA Institute Terms and Conditions

2. Figure 1
(A and B) Radiographic, (C and D) histologic, and (E and F) IgG4-positive cell staining in lichen esophageal planus. (A, C, and E) Mild disease and (B, D, and F) severe disease are shown. (C–F) Original magnification: 20×. (F) Note positive staining denoted by brown staining.
Clinical Gastroenterology and Hepatology  , DOI: ( /j.cgh )
Copyright © 2017 AGA Institute Terms and Conditions