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Low-level laser therapy for management of large periapical ..:

Sudha Yadav ; Ruchika R Nawal ; Sangeeta Talwar.
http://www.ijdr.in/article.asp?issn=0970-9290;year=2020;volume=31;issue=2;spage=334;epage=336;aulast=Yadav.  , 2020