1. TERRY G. MAHN, MICHAEL A. SIEM, FLANAGAN EM. Orange Book Listing Opportunities for Drug-Device Combinations: Pharmaceutical Law & Industry Report; 2013. Available: http://www.fr.com/files/Uploads/Documents/Mahn,Siem,Flanagan.BNA.OrangeBookListingOpportunitiesforDrugDeviceCombinations.2011.pdf.
2. Withdrawal of Albuterol Inhalers Containing Chlorofluorocarbon Propellants;L Hendeles;New England Journal of Medicine,2007
3. A novel formulation technique for metered dose inhaler (MDI) suspensions;H Steckel;International Journal of Pharmaceutics,2004
4. Albuterol inhalers;NJ Gross;The New England journal of medicine,2007
5. Evolution of insulin patents and market exclusivities in the USA;J Luo;The Lancet Diabetes & Endocrinology