The Effects of Allopurinol on Glutathione Sulfhydryl (GSH) Serum Level, Six Minute Walking Test, and CAT Score of COPD Patients. Jurnal Respirologi Indonesia, [S. l.], v. 39, n. 3, p. 169–179, 2019. DOI: 10.36497/jri.v39i3.63. Disponível em: http://www.jurnalrespirologi.org/index.php/jri/article/view/63. Acesso em: 17 jul. 2025.