Clinical Practice of Gastrointestinal Endoscopy in COVID-19 Patients: An Experience from Indonesia - Rabbinu Rangga Pribadi; Amanda Pitarini Utari; Virly Nanda Muzellina; Saskia Aziza Nursyirwan; Hasan Maulahela; Kaka Renaldi; Ari Fahrial Syam (Korean Society of Gastrointestinal Endoscopy, 2022)