References
- Tos M., Stangerup S-E, Holm-Jensen S., Sørensen C. H. Spontaneous course of secretory otitis and changes of the eardrum. Arch Otolaryngol 1984; 110: 281–289
- Tos M. Relationship between secretory otitis in childhood and chronic otitis and its sequelae in adults. J Laryng Otol 1981; 95: 1011–1022