Parvez A, Khan Z, Hashmi S, Khan MS. A cross sectional study of chronic suppurative otitis media and its associated factors among primary school children in rural and urban areas of Aligarh, India. Int J Community Med Public Health [Internet]. 2017 Jan. 5 [cited 2026 Mar. 30];3(8):2150-4. Available from: https://www.ijcmph.com/index.php/ijcmph/article/view/380