Femur fractures in the elderly in Northeast Brazil: epidemiological data and expenses for the SUS. Research, Society and Development, [S. l.], v. 10, n. 14, p. e180101421984, 2021. DOI: 10.33448/rsd-v10i14.21984. Disponível em: https://rsdjournal.org/rsd/article/view/21984. Acesso em: 5 dec. 2025.