Ilma Robo and Saimir Heta and Nedja Hysi and Vera Ostreni, Analysis of Cross-Sectional and Retrograde Data on the Prevalence of Marginal Gingivitis. journal = {International Journal of Medical and Health Sciences}, [online]. World Academy of Science, Engineering and Technology. September 2020, vol. 166(10). 306 - 312 [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10011509.