Nasal MucosaRespiratory MucosaAdenoidsMucous MembraneOlfactory MucosaMucociliary ClearanceRespiratory SystemMicroscopy, Electron, ScanningBacterial AdhesionAdministration, IntranasalHaemophilus influenzaeOrgan Culture TechniquesIntestinal MucosaGastric MucosaMouth MucosaColonLaryngeal MucosaDuodenumIntestine, SmallGastritisStomach UlcerIleum