Interaction and localization of synthetic nanoparticles in healthy and cystic fibrosis airway epithelial cells: effect of ozone exposure. - Ahmad S; Raemy DO; Loader JE; Kailey JM; Neeves KB; White CW; Ahmad A; Gehr P; Rothen-Rutishauser BM (Journal of aerosol medicine and pulmonary drug delivery, 2012)