Al-Mudheffer, Z.A.-A. and Zieny, A.T. 2013. Spirometric Results of Combined Obstructive-Restrictive Lung Disease in Emphysema. Kufa Journal for Nursing Sciences. 3, 3 (Dec. 2013), 24–29. DOI:https://doi.org/10.36321/kjns.vi20133.2512.