MATTIGATTI, S.B., MASHALKAR, V. and PATWARDHAN, H.R. 2021. AN In-vitro EVALUATION OF ACCURACY OF THREE ELECTRONIC APEX LOCATORS IN THE PRESENCE OF 3% SODIUM HYPOCHLORITE. UTTAR PRADESH JOURNAL OF ZOOLOGY. 42, 24 (Dec. 2021), 1299–1304. DOI:https://doi.org/10.56557/upjoz/2021/v42i243251.