@incollection{Johnston19,
author = {Hytham K.S. Hamid and Sean M. Johnston},
title = {LaparoEndoscopic Single-Site Upper Gastrointestinal Surgery},
booktitle = {Recent Advances in Laparoscopic Surgery},
publisher = {IntechOpen},
address = {Rijeka},
year = {2019},
editor = {Francisco M. Sánchez Margallo and Juan A. Sánchez-Margallo},
chapter = {4},
doi = {10.5772/intechopen.82486},
url = {https://doi.org/10.5772/intechopen.82486}
}