Original Article
Copyright ©2013 Baishideng Publishing Group Co.
World J Gastroenterol. Nov 7, 2013; 19(41): 7089-7096
Published online Nov 7, 2013. doi: 10.3748/wjg.v19.i41.7089
Figure 4
Figure 4 Methylene blue chromoendoscopy. A: 0.5% solution of methylene blue (MB) was sprayed over the columnar mucosa; B: Biopsies were obtained from the regions previously observed by magnifying endoscopy and MB chromoendoscopy.