Carvalho, S. P., C. Estrela, and E. F. Vencio. “Clinical Differential Diagnosis Between Nonodontogenic and Endodontic Radiolucent Lesions in Periapical Location: A Critical Review”. Iranian Endodontic Journal, vol. 16, no. 3, July 2021, pp. 150-7, doi:10.22037/iej.v16i3.32572.