Areas of Expertise Medicine - gastroenterology; diseases of the bowels, liver and pancreas; human physiology; pharmacology - drugs and the actions of drugs. Research Interests Biology of gastrointestinal peptide hormones Barrett’s oesophagus and oesophageal adenocarcinoma Regulation of gastrointestinal mucosal inflammation and the relationship to cancer Peptic ulcer disease and Helicobacter pylori infection Signal transduction in the gastrointestinal epithelium Gastrointestinal pharmacology, including the clinical trials of novel agents for inflammatory bowel diseases, anaemia and dyspepsia Aetiology and management of acute and chronic gastrointestinal bleeding Aetiology and treatment of Microscopic colitis