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Khouly, Ismael; Braun, Rosalie Salus; Ordway, Michelle; Aouizerat, Bradley Eric; Ghassib, Iya; Larsson, Lena; Asa’ad, Farah . (2020). The Role of DNA Methylation and Histone Modification in Periodontal Disease: A Systematic Review. International Journal of Molecular Sciences, 21(17), 6217–. doi:10.3390/ijms21176217 
10.3390/ijms21176217