BibTex format
@article{Powell:2020:10.1136/gutjnl-2020-321927,
author = {Powell, N},
doi = {10.1136/gutjnl-2020-321927},
journal = {Gut},
pages = {1769--1777},
title = {Adaptation of the British Society of Gastroenterology guidelines on the management of acute severe ulcerative colitis in the context of the COVID-19 pandemic: a RAND appropriateness panel},
url = {http://dx.doi.org/10.1136/gutjnl-2020-321927},
volume = {69},
year = {2020}
}