Nazir Shah, Amir Muhammad, Atta Muhmmad Khan, Naeem Jan, Sijad Ur Rehman, Mohummad Qasim Khan 2023. The Epidemiology of Various Intestinal Obstruction Causes in Children and Teenagers: A Multi-Center Study. Pakistan Journal of Medical & Health Sciences. 16, 12 (Jan. 2023), 311. DOI:https://doi.org/10.53350/pjmhs20221612311.