Akaraviputh, T. and Watanapa, P. (1999) “Aggressive Treatment of Malignant Duodenocolic Fistula : A Case Report”, Siriraj Medical Journal, 51(2), pp. 112–114. available at: https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/246874 (accessed: 2 October 2026).