Kohli, P. K., and V. Hegde. “COMPARATIVE EVALUATION OF EFFICACY OF GINGIVAL RETRACTION USING CHEMICAL AND MECHANICAL METHODS: AN IN VIVO STUDY”. Asian Journal of Pharmaceutical and Clinical Research, vol. 11, no. 2, Feb. 2018, pp. 128-31, doi:10.22159/ajpcr.2018.v11i2.22674.