Kalakonda B, Al-Maweri SA, Al-Shamiri  HM, Ijaz A, Gamal S, Dhaifullah E. Is Khat (Catha edulis) chewing a risk factor for periodontal diseases? A systematic review. J Clin Exp Dent. 2017;9(10):e1264-70.

 

doi:10.4317/jced.54163

http://dx.doi.org/doi:10.4317/jced.54163

 

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