Zea-Vera, A., Liendo-Caro, C., Luna-Carrillo, L., Prevost-Ruiz, Y., Castañeda-Guarderas, A., & Málaga, G. (2014). Knowledge of epidemiological risk indicators used in clinical trials among medical students in advanced years and medical residents. Revista Peruana De Medicina Experimental Y Salud Pública, 29(2). https://doi.org/10.17843/rpmesp.2012.292.344