Bhatnagar, S., L. Singh, Snigdha, and S. Shamsi. “Comparison Between PEG 3350 and PEG 4000 for Treatment of Functional Constipation in Children Aged 4 to 18 Years”. International Journal of Contemporary Pediatrics, vol. 12, no. 4, Mar. 2025, pp. 596-01, doi:10.18203/2349-3291.ijcp20250764.