Fahlevie F, Apriningsih H, Sutanto YS, Reviono R, Adhiputri A, Aphridasari J, Prasetyo W. Effects of secretome supplementation on interleukin-6, tumor necrosis factor-α, procalcitonin, and the length of stay in acute exacerbation COPD patients. Narra J [Internet]. 2023Aug.31 [cited 2025Aug.26];3(2):e171. Available from: https://narraj.org/main/article/view/171