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. 2, Jan. 2022, pp. 626-31, https://ijhcr.com/index.php/ijhcr/article/view/4725.