The use of ultrasonography as a tool to evaluate the quadriceps muscle in patients with chronic obstructive pulmonary disease: a systematic review. Research, Society and Development, [S. l.], v. 11, n. 1, p. e19911124728, 2022. DOI: 10.33448/rsd-v11i1.24728. Disponível em: https://rsdjournal.org/rsd/article/view/24728. Acesso em: 5 dec. 2025.