A. Kruit, W. Gerritsen, and N. Pot, et al., “CA 15-3 as an alternative marker for KL-6 in fibrotic lung diseases”, Sarcoidosis Vasc Diffuse Lung Dis, vol. 27, no. 2, pp. 138–146, Dec. 2010, Accessed: Jan. 31, 2025. [Online]. Available: https://mattioli1885journals.com/index.php/sarcoidosis/article/view/2579