1. Global Initiative for Chronic Obstructive Lung Disease (GOLD): Global strategy for the diagnosis, management, and prevention of chronic obstructive pulmonary disease. [
http://www.goldcopd.org/
]
2. Joos GF: Potential for long-acting muscarinic antagonists in chronic obstructive pulmonary disease. Expert Opin Investig Drugs. 2010, 19: 257-264. 10.1517/13543780903505084.
3. Boyd G: The continued need for metered dose inhalers. J Aerosol Med. 1995, 8 (Suppl 1): S9-S12.
4. Lechuga-Ballesteros D, Vehring R, Joshi V, Noga B, Cummings H, Schultz R, Speck JH, Dwivedi SK: A new formulation platform for metered dose inhaler combination products: cosuspensions of engineered phospholipid microparticles with micronized actives. 2011, Washington, DC: Poster presented at the annual meeting of the American Association of Pharmaceutical Scientists (AAPS), 23-27.
5. Vehring R, Hartman M, Schultz R, Joshi V, Sommerville M, Cummings H, Smith A, Golden M, Reisner C, Dwivedi S: Glycopyrrolate and formoterol fumarate monotherapy and combination metered dose inhalers with high dose uniformity and stable aerosol properties. 2010, New Orleans: Poster presented at the Annual Meeting of the American Thoracic Society, 14-19.