@incollection{Silva11,
author = {Arjuna P. De Silva},
title = {Evidence Based Guidelines for Preparation Before Upper Gastrointestinal Endoscopy (UGIE)},
booktitle = {Gastrointestinal Endoscopy},
publisher = {IntechOpen},
address = {Rijeka},
year = {2011},
editor = {Oliviu Pascu},
chapter = {2},
doi = {10.5772/21914},
url = {https://doi.org/10.5772/21914}
}