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). RSD [Internet]. 2022 Apr. 10 [cited 2025 Dec. 5];11(5):e38711528548. Available from: https://rsdjournal.org/rsd/article/view/28548