1. Armstrong, H.: 1961, ‘Aerotitis Media and Aerosinusitis’, in Aerospace Medicine (ed. by H. Armstrong ). Williams and Wilkins Co., Baltimore, pp. 162–174.
2. Armstrong, H.G. and Heim, J.W.: 1937, ‘Effect of Flight on the Middle Ear’, J.A.M.A.
109, 417–421.
3. Aschan, G.K.: 1948, ‘Aero-otitis Media and Aerosinusitis; Experimental Histopathological Changes Due to Oxygen Deficiency and Oxygen Poisoning’, Acta Otolaryng. Supp. 69, 1–93.
4. Bowen, W.J.: 1945, ‘Delayed Acute Aero-otitis Media and Methods of Prevention’, U.S. Naval Med. Bull.
44, 247–252.
5. Campbell, P.A.: 1942, ‘Aerosinusitis’, Acta Otolaryng. 35, 107–114.