Budhi Ida Bagus. COVID-19 Pandemic: The Correlation with the Delayed Presentation and Increasing Emergency Cases of Gastrointestinal Tract Cancer Patients. CPMS-V11 [Internet]. 2022 Aug. 22 [cited 2026 Jun. 13];:27-33. Available from: https://stm.bookpi.org/CPMS-V11/article/view/8027