Rajab, Ashraf, and Khalid Gaber. “The Use of Spirometry in COPD Diagnosis, Auditing a Snap Shot of the Current Practice in a Libyan Tertiary center’s Chest Unit”. Libyan Journal of Medical Research, vol. 19, no. 2, July 2025, pp. 364-9, https://doi.org/10.54361/LJMR.19.2.44.