Foreword; Preface; Acknowledgments; 1. Epidemiology and Clinical Practice; 2. Some Epidemiological Concepts; 3. Genetics and the Gut; 4. The Oesophagus; 5. The Stomach; 6. The Small Intestine; 7. Small and Large Bowel Disorders; 8. Colonic Disorders; 9. Generalised Gut Disorders; 10. The Pancreas; 11. The Liver and Biliary Tree; 12. Alcohol and the Gut; 13. The Gut in AIDS; 14. The Gut in Systemic Disorders.