https://www.selleckchem.com/pr....oducts/proteinase-k.
Esophagogastroduodenoscopy (EGD) is commonly used diagnostic method with no widely accepted quality measure. We assessed quality indicator-composite detection rate (CDR)-consisting of detection of at least one of the following cervical inlet patch, gastric polyp and post-ulcer duodenal bulb deformation. The aim of the study was to validate CDR according to detection rate of upper gastrointestinal neoplasms (UGN). It was a multicenter, prospective, observational study conducted from January 2019 to October 2019. The endoscopic repor