Further reading

Mackay, 1.5. and Bull, T.R. (1988) Scott Brown’s Oto­laryngology, Butterworths, London.

Maran, A.G.D. and Lund, VJ. (1990) Clinical Rhinology, Thieme, New York.

Wigand, M.E. (1990) Endoscopic Surgery of the Paranasal Sinuses and Anterior Skull Base, Thieme, New York.