Endoscopy, Table of Contents Endoscopy 2021; 53(07): v29DOI: 10.1055/a-1247-0573 Author commentary Author commentary on Mélissa Gruner et al. Recommend Article Abstract Refers to:Narrow-band imaging versus Lugol chromoendoscopy for esophageal squamous cell cancer screening in normal endoscopic practice: randomized controlled trialEndoscopy 2021; 53(07): 674-682DOI: 10.1055/a-1224-6822 Full Text