Gómez Ortiz, J. F., Ballesteros Lozano, M. y Flores Ledesma, A. (2017) «Radiographical assessment of initial and final tipping in 60 patients treated without extractions at the Orthodontics Clinic of the DEPeI, UNAM 2010-2012», Revista Mexicana de Ortodoncia, 5(1). doi: 10.1016/j.rmo.2017.03.030.