Farooq, M. et al. 2017. The Study of FEV , FVC and FEV /FVC in Type 1 Diabetes Mellitus and their 11 Correlation with Duration of Type 1 Diabetes Mellitus. Annals of King Edward Medical University. 23, 3 (Dec. 2017). DOI:https://doi.org/10.21649/akemu.v23i3.2013.