AL-Maweri SA, AlAkhali M. Oral hygiene  and periodontal health status among khat chewers. A case-control study. J Clin Exp Dent. 2017;9(5):e629-34.

 

doi:10.4317/jced.53520

http://dx.doi.org/doi:10.4317/jced.53520

 

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