E. Pineda-Vélez and Ángela M. Segura-Cardona, “Factors associated to endodontically treated tooth survival in patients over 20 years of age seen in a private IPS between 2006 and 2012”, Rev Fac Odontol Univ Antioq, vol. 25, no. 2, pp. 283–298, Feb. 2014.