1. Immune and inflammatory function in cigarette smokers;Holt, P.G.;Thorax,1987
2. Smoking and immunity;Editorial;Lancet,1990
3. Smoking, humoral immunity and ulcerative colitis;Srivastava, E.D.; Barton, J.R.; O'Mahoney, S.;Gut,1991
4. Cigarette smoking and intestinal defences;Cope, G.F.; Heatley, R.V.;Gut,1992
5. Cigarette smoking, gastric acidity and peptic ulceration. What are the relationships?;Kaufmann, D.; Wilder-Smith, C.H.; Kempf, M.;Dig Dis Sci,1990