Batkunde YA, Ilyas M, Djaharuddin I, Tabri NA, Iskandar H, Santoso A. Analysis of Vitamin D Levels on Bronchiectasis Severity. Respir Scie [Internet]. 2021Feb.27 [cited 2026May30];1(2):88-97. Available from: https://respiratoryscience.or.id/index.php/journal/article/view/11