title: Presidential address. Lettsom, food and fibre.
mesh_terms: D001064:Appendicitis / Q000517:prevention & control; D002482:Cellulose / Q000627:therapeutic use; D003106:Colon / Q000502:physiology; D003110:Colonic Neoplasms / Q000517:prevention & control; D003248:Constipation / Q000517:prevention & control; D004043:Dietary Fiber / Q000009:adverse effects / Q000627:therapeutic use; D004046:Dietetics / Q000266:history*; D004240:Diverticulum / Q000517:prevention & control; D004739:England; D005769:Gastrointestinal Motility; D049671:History, 18th Century; D006801:Humans
chemical_list: D004043:Dietary Fiber; D002482:Cellulose