“Pediatric Chronic Idiopathic Constipation: A Direct Comparison of Polyethylene Glycol Powder and Polyethylene Glycol 40% Syrup”. Indo-American Journal of Life Sciences and Biotechnology, vol. 17, no. 1, Mar. 2020, pp. 1-8, https://iajlb.org/index.php/iajlb/article/view/37.