Ingsiroratana, Kowit, Chaiyakorn Rithaporn, and Panja Kulapongs. “STOOL OCCULT BLOOD TESTS”. Journal of Associated Medical Sciences 4, no. 2 (January 18, 2015): 93. accessed September 11, 2026. https://he01.tci-thaijo.org/index.php/bulletinAMS/article/view/60683.