Saputra, A. J. ., K. . Widyastuti, and Y. S. . Sutanto. “New GOLD COPD Guideline 2019: How We Deal With It? (Inhaled Corticosteroid Use and Blood Eosinophil Count)”. Respiratory Science, vol. 1, no. 2, Feb. 2021, pp. 79-87, doi:10.36497/respirsci.v1i2.13.