Attar Bashar M
Division of Gastroenterology and Hepatology Cook County Health Chicago IL.
Clin Liver Dis (Hoboken). 2020 Feb 25;15(1):25-30. doi: 10.1002/cld.893. eCollection 2020 Jan.
http://aasldpubs.onlinelibrary.wiley.com/hub/journal/10.1002/(ISSN)2046-2484/video/15-1-reading-attar a video presentation of this article.