The Egyptian Journal of Bronchology is affiliated with the The Egyptian Scientific Society of Bronchology (ESSB)
Diagnostic performance of lung volumes in assessment of reversibility in chronic obstructive pulmonary disease
Reversibility measured by spirometry in chronic obstructive pulmonary disease (COPD) is defined as an increase in forced expiratory volume in first second (FEV1) that is both more than 12% and 200 mL above the...