https://api.elsevier.com/content/article/pii/S1687197920300903doi:10.1016/j.ajg.2020.08.0081-s2.0-S168719792030090310.1016/j.ajg.2020.08.008S1687-1979(20)30090-3The global impact of COVID-19 on gastrointestinal endoscopy units: An international survey of endoscopists Arab Journal of GastroenterologyJournal168719792020-09-30September 20200falsefalse