Rao, S. Anitha, and N. Manasa. 2015. “Effect of Irrigants Using Ultrasonics on Intracanal Calcium Hydroxide Removal – an in Vitro Comparative Evaluation”. Brazilian Journal of Oral Sciences 11 (1). Limeira, SP:52-55. https://doi.org/10.20396/bjos.v11i1.8641557.