Wongmahisorn, Yuthapong, Arkom Suesawatee, and Suphakarn Techapongsatorn. 2011. “Fungal Peptic Ulcer Perforation: a Case Report”. Vajira Medical Journal : Journal of Urban Medicine 53 (3):299-304. https://he02.tci-thaijo.org/index.php/VMED/article/view/419.