Nasal MucosaRespiratory MucosaAdenoidsMucous MembraneOlfactory MucosaMucociliary ClearanceRespiratory SystemMicroscopy, Electron, ScanningBacterial AdhesionCell WallAdministration, IntranasalHaemophilus influenzaeOrgan Culture TechniquesIntestinal MucosaGastric MucosaMouth MucosaThoracic WallAbdominal WallColonLaryngeal MucosaDuodenumIntestine, SmallGastritisIleumStomachStomach Ulcer