Product Search Search Effective Health Care website Submit search Search Tip: Use double quotes around phrases to rank exact matches higher in the result list. 2 results Mortality Risk in Chronic Obstructive Pulmonary Disease Patients Using Theophylline Research Report December 4, 2009 Outcomes Associated With Tiotropium use in Chronic Obstructive Pulmonary Disease Patients Research Report Archived December 4, 2009
