Correlation of three instruments used to assess pain in elderly patients with knee osteoarthrosis in a school clinic in Recife, Pernambuco State, Brasil. Research, Society and Development, [S. l.], v. 9, n. 9, p. e513997363, 2020. DOI: 10.33448/rsd-v9i9.7363. Disponível em: https://rsdjournal.org/rsd/article/view/7363. Acesso em: 5 dec. 2025.