Correlation of the level of physical disability with pain, balance and gait in elderly people with chronic low back pain: observational study in a school clinic in the city of Recife (PE). Research, Society and Development, [S. l.], v. 10, n. 4, p. e29310414069, 2021. DOI: 10.33448/rsd-v10i4.14069. Disponível em: https://rsdjournal.org/rsd/article/view/14069. Acesso em: 5 dec. 2025.