Agustina, K., N. N. Margiani, P. P. Y. Anandasari, and N. M. Mahastuti. “Constipation That Needs Attention: Late Hirschsprung Disease”. Intisari Sains Medis, vol. 12, no. 1, Apr. 2021, pp. 64-67, doi:10.15562/ism.v12i1.845.