“Effects of Omega-3 Polyunsaturated Fatty Acids to The Serum Level of Interleukin-8, Percentage of Forced Expiratory Volume in 1 Second (%FEV1), and COPD Assesment Test Scores in Stable COPD Patients”. Jurnal Respirologi Indonesia 37, no. 4 (October 17, 2017): 265–277. Accessed July 11, 2025. http://jurnalrespirologi.org/index.php/jri/article/view/80.