1. Adams, D.K. (1936). A note on laryngeal vertigo with record of a case.Brit. med. J. 1, 685.
2. Blue, J.A. (1968). Syncope in allergy.Ann. Allergy,26, 561.
3. Campbell, M.D. (1968). Neurological allergy.Rev. Allergy,22, 90.
4. Charcoat, J.M. (1876). Statement to the Societe de Biologie.Gaz. Med. Paris,5, 588.
5. Derbes, V. J. and Kerr, A. J. (1955). Cough syncope.Charles C. Thomas, Springfield.