1. Anismus in chronic constipation;Preston, D.M.; Lennard-Jones, J.E.;Dig Dis Sci,1985
2. Failure of rectal expulsion as a cause of constipation; why fibre and laxatives sometimes fail;Tumbull, G.K.; Lennard-Jones, J.E.; Bartram, C.I.;Lancet,1986
3. Anal sphincter dysfunction in Parkinson's disease;Mathers, S.E.; Kempster, P.A.; Law, P.J.; Swash, M.;Arch Neurol,1989
4. The disability status scale for multiple sclerosis; apologia pro DSS sua;Kurtzke, J.F.;Neurology,1989
5. Radiological studies of rectal evacuation in adults with idiopathic constipation;Tumbull, G.K.; Bartram, C.I.; Lennard-Jones, J.E.;Dis Colon Rectum,1988