VEMPALLI MAHAMMAD RAFI, HARIPRIYA S, ASHOK VARDHAN N, and SANJAY ANDREW R. “INFLUENCE OF VITAMIN D LEVELS ON IMMUNE MARKERS IN PATIENTS WITH CHRONIC OBSTRUCTIVE PULMONARY DISEASE”. Asian Journal of Pharmaceutical and Clinical Research 19, no. 2 (February 7, 2026): 243–248. Accessed March 12, 2026. https://www.journals.innovareacademics.in/index.php/ajpcr/article/view/57588.