Obed, Ali Abdul-Razak. “Excessive Crying in Infancy; Value of the History and Physical Examination”. AL-Kindy College Medical Journal 7, no. 2 (December 30, 2011): 69–73. Accessed April 3, 2025. https://jkmc.uobaghdad.edu.iq/index.php/MEDICAL/article/view/641.