1. Adams, C. W. M.: Neurohistochemistry, pp. 253?331. C. W. M. Adams, ed. Amsterdam-London-New York: Elsevier 1965.
2. Cauna,N.: Electron microscopy of the nasal vascular bed and its nerve supply. Ann. Otol. (St. Louis) 79, 443?450 (1970).
3. ? Hinderer, K. H.: Fine structure of blood vessels of the human nasal respiratory mucosa. Ann. Otol. (St. Louis) 78, 865?879 (1969).
4. Christensen, K.: The innervation of the nasal mucosa, with special reference to its afferent supply. Ann. Otol. (St. Louis) 43, 1066?1083 (1934).
5. Dahlström, A., Fuxe, K.: The adrenergic innervation of the nasal mucosa. Acta otolaryng. (Stockh.) 59, 65?72 (1965).