Berik Safci, S., Ercen Diken, O., Kara, S., & Kus, M. (2025). The relationship between annual lung function decline and serum bilirubin levels in chronic obstructive pulmonary disease. Annals of Medical Research, 32(3), 110-114. http://www.annalsmedres.org/index.php/aomr/article/view/4820