Effect of Lower Extremity Exercise on The Borg Scale in Chronic Obstructive Pulmonary Disease. Jurnal Respirologi Indonesia, [S. l.], v. 40, n. 4, p. 238–242, 2020. DOI: 10.36497/jri.v40i4.141. Disponível em: http://jurnalrespirologi.org/index.php/jri/article/view/141. Acesso em: 2 aug. 2025.