Vázquez-Medina , M. U., Cerda-Reyes , E., Barrón-Campos , A. C., Almeyda-Farfán, J. A. ., Ocharan-Hern´andez, M. E., & Vargas de León, C. (2021). Association of ABO blood type with mortality in hospitalized patients with COVID-19. Horizonte Sanitario, 21(1). https://doi.org/10.19136/hs.a21n1.4516