Deneuve, Olivia Monica, Andika Pradana, and Amira P. Tarigan. “The Relationship of Blood Eosinophils Levels With Degree of Exacerbation in COPD Patient at Usu General Hospital”. Journal of Society Medicine 3, no. 7 (July 31, 2024): 217–222. Accessed June 15, 2025. https://jsocmed.org/index.php/go/article/view/155.