The Comparative Effectiveness and Safety of Fluticasone-Salmeterol Via Metered-Dose Versus Dry Powder Inhalers for COPD: A New User Cohort Study

Program On Regulation, Therapeutics, And Law (PORTAL)
Division of Pharmacoepidemiology and Pharmacoeconomics
Brigham and Women's Hospital • Harvard Medical School
41 Avenue Louis Pasteur, Suite 0B17, Boston, MA 02115