The role of small intestinal bacterial overgrowth, intestinal permeability, endotoxaemia, and tumour necrosis factor in the pathogenesis of non-alcoholic steatohepatitis - Wigg,A.J.; Roberts-Thomson,I.C.; Dymock,R.B.; McCarthy,P.J.; Grose,R.H.; Cummins,A.G. (Gut, 2001)