Cruz León , Karen, and Rebeca Guzmán-Saldaña. “Approaching Grief During the Pandemic by COVID-19”. Mexican Journal of Medical Research ICSA 11, no. 21 (January 5, 2023): 25–31. Accessed July 6, 2025. https://repository.uaeh.edu.mx/revistas/index.php/MJMR/article/view/8960.