1. Rhinitis: mechanisms and management;1, Mackay,1989
2. British national formulary. Number 20;B.M.A.; of Great Britain, Royal Pharmaceutical Society
3. Martindale: the extra pharmacopoeia;Reynolds, J.E.F.
4. Association of the British Pharmaceutical Industry. ABPI data sheet compendium 1989-90,1989
5. La pathologie iatrogene en otorhinolaryngologie;Rebattu, J.P.; Lafon, H.; Cajgfinger, H.;Lyon Medical,1972