Weheeb, M., Sultan, K., & Al.Obaidy, M. (2014). Spiro metric Tests and Thyroid Hormone Concentrations in sample of Iraqi Patients with Chronic Obstructive Pulmonary Disease. Journal of the Faculty of Medicine Baghdad, 56(3), 278-282. Retrieved from http://iqjmc.uobaghdad.edu.iq/index.php/19JFacMedBaghdad36/article/view/497