Virú-Loza, Manuel André, et al. “Variability and Reliability of Times Registered for Cesarean Delivery Surgical Processes at a Private Clinic, Lima, Peru, 2011”. Anales De La Facultad De Medicina, vol. 74, no. 1, Mar. 2013, pp. 37-41, https://doi.org/10.15381/anales.v74i1.2048.