1. McCrory DC, Brolon CB, Gray RN, et al. Management of acute exacerbations of chronic obstructive pulmonary disease. Evidence report/technology assessment No. 19. (Prepared by Duke University under contract No. 290-97-0014.) Rockville, MD: Agency for Health Care Policy and Research (in press);
2. Publication No. 01-E003
3. Antibiotic therapy in exacerbations of chronic obstructive pulmonary disease;Anthonisen;Ann Intern Med,1987
4. Bronchodilator delivery in acute airflow obstruction: a meta-analysis;Turner;Arch Intern Med,1997