Wongmahisorn, Y., A. Suesawatee, and S. Techapongsatorn. “Fungal Peptic Ulcer Perforation: a Case Report”. Vajira Medical Journal : Journal of Urban Medicine, vol. 53, no. 3, Sept. 2011, pp. 299-04, https://he02.tci-thaijo.org/index.php/VMED/article/view/419.