Rattan, Kamal Nain, Jasbir Singh, and Poonam Dalal. “Delayed Presentation of Congenital Intrinsic Duodenal Obstruction in Children With Non-Bilious Vomiting: A Diagnostic Dilemma”. Journal of Pediatric and Neonatal Individualized Medicine (JPNIM) 7, no. 2 (August 7, 2018): e070218. Accessed November 28, 2024. https://jpnim.com/index.php/jpnim/article/view/070218.