Observational Study
Copyright ©The Author(s) 2016.
World J Gastroenterol. Apr 14, 2016; 22(14): 3845-3851
Published online Apr 14, 2016. doi: 10.3748/wjg.v22.i14.3845
Figure 4
Figure 4 Images in a patient with functional heartburn. A: A normal appearance of esophageal mucosa on WLI; B: A normal esophagus on AFI. AFI: Autofluorescence imaging; WLI: White light imaging.