P Sirisha, K.Rajashekar, Kiran Madhala, and Chiluka Sudhakar. “An Epidemiological Study of Etiology and Management of Abdominal Pain in Children: Government General Hospital, Nizamabad”. International Journal of Health and Clinical Research, vol. 5, no. 1, Jan. 2022, pp. 567-72, https://ijhcr.com/index.php/ijhcr/article/view/4705.