Ruangtrakool, R., M. Laohapensang, A. Mungnirandr, C. Sathornkich, and P. Talalak. “Neuronal Intestinal Dysplasia: An Allied Hirschsprung’s Disease”. Siriraj Medical Journal, vol. 51, no. 4, Apr. 1999, pp. 289-92, https://he02.tci-thaijo.org/index.php/sirirajmedj/article/view/264936.