academic article

• Characterization of respiratory deposition of fluticasone-salmeterol hydrofluoroalkane-134a and hydrofluoroalkane-134a beclomethasone in asthmatic patients..  Annals of allergy, asthma & immunology : official publication of the American College of Allergy, Asthma, & Immunology.  108:195-200. 2012