Primary total knee arthroplasties under the Brazilian Public Health Unic System (SUS) - Number of procedures, regional distribution, hospitalization costs, average length of hospital stay and mortality (2012-2021). Research, Society and Development, [S. l.], v. 11, n. 5, p. e38711528548, 2022. DOI: 10.33448/rsd-v11i5.28548. Disponível em: https://rsdjournal.org/rsd/article/view/28548. Acesso em: 5 dec. 2025.