1. Bacteria and the aetiology of cancer of the large bowel;Gut,1969
2. Treatment of chronic portal-systemic encephalopathy with lactulose;Bircher, J.; Mtiller, J.; Guggenheim, P.; Haemmerli, U.P.;Lancet,1966
3. Bacterial ureases in uraemic men;Brown, C.L.; Hill, M.J.; Richards, P.;Lancet,1971
4. Lactulose in the treatment of chronic portal systemic encephalopathy;New Engl. J. Med,1969
5. Gastrointestinal urease in man. II. Urea hydrolysis and ammonia absorption in upper and lower gut lumen and the effect of neomycin;Evans, W.B.; Aoyagi, T.; Summerskill, W.H.J.;Gut,1966