“Role of Forced Expiratory Volume in Third Second (FEV3) As An Alternative to Forced Vital Capacity (FVC) in Assessing Bronchodilator Response in Patients With Chronic Obstructive Airway Diseases”. Iraqi Journal of Medical Sciences 18, no. 2 (December 27, 2020). Accessed May 10, 2025. https://iraqijms.net/index.php/jms/article/view/736.