Waywa, D. ., . S. . Silpasakorn, A. Phungthaisong, and Y. . Suputtamongkol. “Intestinal Parasitic Infections in Thai Patients: Five-Year Experiences at Siriraj Hospital”. Siriraj Medical Journal, vol. 58, no. 11, Nov. 2006, pp. 1107-9, https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/246002.