1. Blatt, I. N. (1963) “Surgical Repair for Cerebrospinal Otorrhoea due to middle ear or mastoid disease” Laryngoscope 73, 446.
2. Kinnman, J. & Lee, C. W. (1966) “C. S. F. Otorrhoea” J. Laryng. 80, 66.
3. Levinson, A (1919) as quoted by Kinnman, J. & Lee, C. W. (1966) “C. S. F. Otorrhoea” J. Laryng. 80, 66.
4. Mohindra, S. K. (1967) “C.S.F. Otorrhoea” Ind. J. Laryng. 19, 32.
5. Rochette, F. X., Wilton Long, M. H., Shillito, J. Jr and Matson, D. D. (1964) Pantopague visualization of a congenital dural defect of the internal auditary meatus causing rhinorrhoea—Amer. J. Roentgenol, 91, 640.