Mahecha, E., S. A. Yaguar, and G. I. Calderón. “Factors Associated With Cervical Preneoplastic Injuries in Patients from State-Owned Medical Institution in Aipe, from January to September, 2009”. RFS Revista Facultad De Salud, vol. 3, no. 1, Jan. 2011, pp. 37-41, doi:10.25054/rfs.v3i1.64.