Romero Figueroa, M. and Rojas, E. 2020. Training in the practice of hand hygiene through an online course aimed at the health personnel of a second level hospital of Toluca, Mexico. D´perspectivas siglo XXI. 7, 14 (Dec. 2020), 7-16. DOI:https://doi.org/10.53436/j6Dzm191.