BibTex format
@article{Pannick:2019:10.1136/gutjnl-2018-318095,
author = {Pannick, S and van, Ree K and Cohen, P and Smith, G and Martin, J},
doi = {10.1136/gutjnl-2018-318095},
journal = {GUT},
pages = {1605--+},
title = {Occult gastrointestinal bleeding: two eyes are better than one},
url = {http://dx.doi.org/10.1136/gutjnl-2018-318095},
volume = {68},
year = {2019}
}