Malik, H., Mirza, M. B., Mahmood, N. and Talat, N. (2019) “Pyloric Duplication Cyst: A Rare Cause of Vomiting in a Child”, APSP Journal of Case Reports, 9(4), p. 29. Available at: http://www.apspjcaserep.com/ojs1/index.php/ajcr/article/view/53 (Accessed: 31January2026).