Letícia Molteni Aguiar, et al. “Evaluation of Dentin Cleansing by a Detergent Derived from Castor Oil (Ricinus Communis) Used As Root Canal Irrigant: A Scanning Electron Miscroscopy Study”. Revista Sul-Brasileira De Odontologia, vol. 7, nº 4, dezembro de 2011, p. 445-9, doi:10.21726/rsbo.v7i4.1175.