Hauber BHIV, Earnshaw SR, Spencer MD, Candrilli SD. Estimating the incidence and duration of exacerbations in chronic obstructive pulmonary disease. Poster presented at the 98th Annual Conference of the American Thoracic Society; May 2002.
Spencer MD, Hauber BHIV, Earnshaw SR, Candrilli SD. Estimating lung function decline based on ats staging classifications, and the effect of tobacco smoking in copd patients. Poster presented at the American Thoracic Society 98th International Conference; May 2002.