Azevedo, D. C., Assunção, F. C. M., Castro, M. S. M. de, & Valle, E. A. (2022). Risk factors for hospitalization and death due to COVID-19 among frail community-dwelling elderly people: a retrospective cohort study. São Paulo Medical Journal, 140(5), 676–681. Retrieved from https://periodicosapm.emnuvens.com.br/spmj/article/view/985