L. F. . Chero Córdova and G. Yabar Torres, “Vulnerability of the sanitary infrastructure in relation to COVID-19 in the district of Castilla-Piura 2021-2022: Vulnerabilidad de la infraestructura sanitaria en relación a la COVID-19 en el distrito de Castilla-Piura 2021- 2022”, Rev.Fac.Med.Hum, vol. 23, no. 3, pp. 35–45, Dec. 2023.