Cheema SM, Hasan S, Ikram F. Functional Gastrointestinal Disorders in under 4 years population specimen in Pakistan. Pakistan Journal of Medical & Health Sciences [Internet]. 2022 Mar. 25 [cited 2024 Dec. 22];16(02):242. Available from: https://mail.pjmhsonline.com/index.php/pjmhs/article/view/83