1. Trends in chronic bronchitis and emphysema: Morbidity and mortality;American Lung Association,1995
2. Standardization of spirometry—1987 update;American Thoracic Society (ATS);American Review of Respiratory Disease,1987
3. Standards for the diagnosis and care of patients with chronic obstructive pulmonary disease;American Thoracic Society (ATS);American Journal of Respiratory and Critical Care Medicine,1995
4. Gender bias in the diagnosis of chronic obstructive pulmonary disease [abstract];Chapman;American Journal of Respiratory and Critical Care Medicine,1998
5. The brief symptom inventory (BSI): Administration scoring and procedures manual 1;Derogatis,1982