[1]
B. Tapia, C. . Weitzel, J. Inzunza, J. . Weitzel, and C. L. . Muñoz-Mendoza, “Effectiveness of influenza vaccines in elderly in the Ñuble region, years 2015, 2017 and 2019”, Rev. chil. salud pública, vol. 27, no. 2, pp. 101–108, Dec. 2023.