Rizki, N. A. ., M. Mushahigo, and M. F. . Santjoko. “Case Series: Upper Airway Obstruction in Post-Acute Sequelae of Covid-19 (Pasc) Infection Due to Subglottic Stenosis”. Proceedings Book of International Conference and Exhibition on The Indonesian Medical Education Research Institute, vol. 6, no. -, Feb. 2022, pp. 68-74, doi:10.69951/proceedingsbookoficeonimeri.v6i-.130.