Abbasi, M.A. et al. 2024. IRON DEFICIENCY WITHOUT ANEMIA IN COPD PATIENTS: ASSESSING EXERCISE CAPACITY AND EXACERBATION FREQUENCY. Journal of Ayub Medical College Abbottabad. 36, 1 (Mar. 2024), 113–118. DOI:https://doi.org/10.55519/JAMC-01-12835.