Medina-Fernández, J. A., Medina-Fernández, I. A., Torres-Soto, N. Y., Cortez-González, L. C., Rascón-Arriaga, F. G., & Cortes-Montelongo, D. B. (2023). Effect of Fear, Concern, and of Risk Factors for Complicated Covid-19 on Self-Care in People in Pre-elderly and Elderly Stages. Investigación Y Educación En Enfermería, 40(3). https://doi.org/10.17533/udea.iee.v40n3e10. (Original work published November 12, 2022)