Malik, Hamza, Muhammad Bilal Mirza, Nasir Mahmood, and Nabila Talat. 2019. “Pyloric Duplication Cyst: A Rare Cause of Vomiting in a Child”. APSP Journal of Case Reports 9 (4), 29. http://www.apspjcaserep.com/ojs1/index.php/ajcr/article/view/53.