References
- Chhabra SK, Chhabra P. Gender differences in perception of dyspnea, assessment of control, and quality of life in asthma. J Asthma 2011; 48(6):609–615.
- American Thoracic Society. Standardization of spirometry. 1994 update. Am J Respir Crit Care Med 1995; 152:1107–1136.
- Quanier PH. Standardized lung function testing: Report Working Party Standardization of lung function tests. European Community for Coal and Steel. Bull Eur Physiopathol Resp 1983; 19(Suppl. 5):1–82.