1. Biliary stent blockage with bacterial biofilm: a light and electron microscopic study;Speer, A.G.; Cotton, P.B.; Rode, J.; Seddon, A.M.; Neal, C.R.; Holton, J.;Ann Intern Med,1988
2. The role of bacteria in the blockage of biliary stents;Leung, J.W.C.; Ling, T.K.W.; Kung, J.L.S.; Vallance-Owen, J.;Gastrointest Endosc,1988
3. Ursodeoxycholic acid in chronic liver disease;de Caestecker JS; RP, Jazrawi; ML, Petroni; TC, Northfield;Gut,1991
4. A placebo controlled study on the efficacy of aspirin and doxycycline in preventing clogging of biliary endoprosthesis;Smit, J.M.; Out, M.M.J.; Groen, A.K.;Gastrointest Endosc,1985
5. Endoscopic management of malignant biliary tract obstruction: stents of lOF gauge are preferable to stents of 8F gauge;Speer, A.G.; Cotton, P.B.; Macrae, K.D.;Gastrointest Endosc,1988