ElShanti, A. F. H., Aldirawi, A., Mehjez, A., Zaida, M., Abu Nada, I., & Abu Nada, M. (2020). The Prevalence and Severity of Gingivitis in High School Students in Gaza Strip - Palestine: : Cross-sectional Study. Jour Med Resh and Health Sci, 3(9), 1098–1105. https://doi.org/10.15520/jmrhs.v3i9.256