Díaz-Yamal, I.J. et al. 2017. Safety of office hysteroscopy in a fertility unit. Bogota, Colombia, 2011-2016. Retrospective cohort. Revista Colombiana de Obstetricia y Ginecología. 68, 3 (Sep. 2017), 186–192. DOI:https://doi.org/10.18597/rcog.776.