Khin Phyu Pyar, Min Aung Shan, Soe Win Hlaing, Diwon ., Zarni Htet Aung, Soe Min Aung, et al. COVID-19 and Gastrointestinal Manifestation: A Case Report on Colonic Perforation in 91-year- old man with Severe COVID-19 Infection . IDMMR-V7 [Internet]. 2022 Feb. 12 [cited 2026 Jun. 3];:165-74. Available from: https://stm.bookpi.org/IDMMR-V7/article/view/5775