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Sachdeva A, Punhani N, Bala M, Arora S, Gill GS, Dewan N.Sachdeva A, et al. Among authors: gill gs.J Int Soc Prev Community Dent. 2015 Nov-Dec;5(6):494-8. doi: 10.4103/2231-0762.170527.J Int Soc Prev Community Dent. 2015.PMID: 26759804Free PMC article.