Santichatngam P. Factor Determining Circumferential Resection Margin of Rectal Cancer: Operation in Pranangklao Hospital. J DMS [internet]. 2025 Dec. 16 [cited 2026 Sep. 24];50(4):145-52. available from: https://he02.tci-thaijo.org/index.php/JDMS/article/view/276563