Alnuami, Numan S. “The Correlation Betwwen FEVI FVC With Arm Span to Height or Chest to Waist Ratio As an Index of Pulmonary Function in Healthy Subject”. Journal of the Faculty of Medicine Baghdad, vol. 53, no. 4, Jan. 2012, pp. 432-6, https://doi.org/10.32007/jfacmedbagdad.534814.