1.
Mohamed Abdelsalam AO, Ghandour IA. Prevalence of Chronic Gingivitis Among 16 Years Old Public High School Students in Khartoum. Medphoenix [Internet]. 2018 Aug. 15 [cited 2024 Nov. 21];3(1):1-5. Available from: https://nepjol.info./index.php/medphoenix/article/view/20754