A. Hussain, Z. Hashir, B. Gohar Shah, R. Farrukh, and S. Masood, “Clinical Presentation Of Gastroesophageal Reflux Among Children With Chronic Constipation: Gastroesophageal Reflux Among Children with Chronic Constipation”, PBMJ, vol. 5, no. 6, pp. 38–41, Jun. 2022, doi: 10.54393/pbmj.v5i6.520.