Nobandegani Zinat, M., Doulatabad Shahla, N., Masoumeh, R. and Ardeshir, A. (2011) “Surgical site infection incidence after a clean-contaminated surgery in Yasuj Shahid Beheshti hospital, Iran”, Investigación y Educación en Enfermería, 29(3). doi: 10.17533/udea.iee.7677.