Ali Awais Malik, Sohail Anwar, Huma Batool, Asifa Karamat, Ghaniya Ali, Faezah Siddiqui 2022. Frequency of Anemia in Chronic Obstructive Pulmonary Disease (COPD). Pakistan Journal of Medical & Health Sciences. 16, 04 (May 2022), 680. DOI:https://doi.org/10.53350/pjmhs22164680.