Authors: William J Sandborn; Brian G Feagan; Geert D'Haens; Douglas C Wolf; Igor Jovanovic; Stephen B Hanauer; Subrata Ghosh; AnnKatrin Petersen; Steven Y Hua; Ji Hwan Lee; Lorna Charles; Denesh Chitkara; Keith Usiskin; Jean-Frederic Colombel; Loren Laine; Silvio Danese Journal: N Engl J Med Date: 2021-09-30 Impact factor: 176.079