Reference
- Nakano Y, Sato Y. Prognosis of otitis media with effusion in children, and size of the mastoid air cell system. Acta Otolaryngol (Stockh), in press
- Sato Y. Mastoid pneumatization in cholesteatoma. J Otolaryngol (Japan) 1988; 91: 1933–7
- Ikarashi H, Nakano Y. The effect of chronic middle ear inflammation on the pneumatization of the tympanic bulla in pigs. Acta Otolaryngol (Stockh) 1987; 104: 130–7
- Takahashi S, et al. Incidence and clinical features of otitis media with effusion in children aged three to five years. J Otolaryngol (Japan) 1989; 92: 1636