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Effect of whitening toothpastes containing activated charco..:

Pouya Rostamzadeh ; Ladan Ranjbar Omrani ; Mahdi Abbasi..
http://www.drjjournal.net/article.asp?issn=1735-3327;year=2021;volume=18;issue=1;spage=106;epage=106;aulast=Rostamzadeh.  , 2021