1. The borderline between acute rhinitis and sinusitis;Drettner;Acta Otolaryngol,1967
2. Beat frequency of cilia from sites of purulent infection;Wilson;Thorax,1986
3. Pathology of chronic sinusitis;Wright,1979
4. The mucociliary activity of the upper respiratory tract III. A functional and morphological study on human and animal material with special reference to maxillary sinus disease;Reimer;Acta Otolaryngol,1978
5. Medical management of sinusitis;Mulberry;Ear, Nose Throat J,1984