1. The viability of the;Hogan, W.J.
2. Nature and standards ofgastrointestinal and liver services in the UK;Farthing, M.J.G.; Williams, R.; Swan, C.H.J.;Gut,1993
3. Gastrointestinal Emergencies;Gilmore, I.T.; Shields, R.,1992
4. Quality Control in Endoscopy;McCloy, R.,1992
5. Review article: endoscopyrelated infections;Schembre, D.; Bjorkman, D.J.;Aliment Pharmacol Ther,1993