220. Is the incidence of complications of CLE significantly
higher in cases of alkaline reflux than in cases of acid reflux?
RA. Hinder (Omaha)
221. What are the characteristic features of stricture
in Barrett's mucosa?
K. Moghissi (Hull)
222. What is termed a Savary's ulcer? How does the evolution
of a typical Barrett's ulcer differ from that of a Savary's ulcer?
E. Brossard, J.B. Ollyo, C. Fontolliet, M. Savary,
Ph. Monnier (Lausanne)
223. Is Helicobacter pylori involved in the pathogenesis
of the Barrett type ulcer?
E. Brassard (Lausanne)