Research Article

	Gene expression in Barrett's mucosa: acute and chronic adaptive responses in the oesophagus. J Jankowski Gut 1993; 34: 1649-1650. doi:10.1136/gut.34.12.1649 [PDF] [Request Permissions]
	Capturing clinical activity--coming to terms with information. J G Williams, D V Ford, and T R Yapp Gut 1993; 34: 1651-1652. doi:10.1136/gut.34.12.1651 [PDF] [Request Permissions]
	Nocturnal oesophageal motor activity is dependent on sleep stage. F Castiglione, C Emde, D Armstrong, C Schneider, P Bauerfeind, G Stacher, and A L Blum Gut 1993; 34: 1653-1659. doi:10.1136/gut.34.12.1653 [Abstract] [PDF] [Request Permissions]
	Peptic ulcer, cimetidine, and motor neurone disease--a record linkage study. M P Vessey, M J Goldacre, V Seagroatt, and D Yeates Gut 1993; 34: 1660-1661. doi:10.1136/gut.34.12.1660 [Abstract] [PDF] [Request Permissions]
	Two year maintenance treatment of duodenal ulcer disease with ranitidine 150 mg: a prospective multicentre randomised study. GEMUD (Groupe d'Etude de la Maladie Ulcéreuse Duodénale). P Ruszniewski, A Slama, M Pappo, and M Mignon Gut 1993; 34: 1662-1665. doi:10.1136/gut.34.12.1662 [Abstract] [PDF] [Request Permissions]
	Perforated peptic ulcer over 56 years. Time trends in patients and disease characteristics. C Svanes, H Salvesen, L Stangeland, K Svanes, and O Søreide Gut 1993; 34: 1666-1671. doi:10.1136/gut.34.12.1666 [Abstract] [PDF] [Request Permissions]
	Epidemiology of, and risk factors for, Helicobacter pylori infection among 3194 asymptomatic subjects in 17 populations. The EUROGAST Study Group. Gut 1993; 34: 1672-1676. doi:10.1136/gut.34.12.1672 [Abstract] [PDF] [Request Permissions]
	Prevalence of Helicobacter pylori infection and its effect on symptoms and non-steroidal anti-inflammatory drug induced gastrointestinal damage in patients with rheumatoid arthritis. P M Goggin, D A Collins, R P Jazrawi, P A Jackson, C M Corbishley, B E Bourke, and T C Northfield Gut 1993; 34: 1677-1680. doi:10.1136/gut.34.12.1677 [Abstract] [PDF] [Request Permissions]
	When is Helicobacter pylori infection acquired? D J Cullen, B J Collins, K J Christiansen, J Epis, J R Warren, I Surveyor, and K J Cullen Gut 1993; 34: 1681-1682. doi:10.1136/gut.34.12.1681 [Abstract] [PDF] [Request Permissions]
	DNA damage in the stomach after vagotomy measured by 32P-postlabelling. G W Dyke, J L Craven, R Hall, and R C Garner Gut 1993; 34: 1683-1687. doi:10.1136/gut.34.12.1683 [Abstract] [PDF] [Request Permissions]
	Chronic nicotine intake causes vascular dysregulation in the rat gastric mucosa. M Battistel, M Plebani, F Di Mario, M Jocic, I T Lippe, and P Holzer Gut 1993; 34: 1688-1692. doi:10.1136/gut.34.12.1688 [Abstract] [PDF] [Request Permissions]
	Determination of the histological distribution of insulin like growth factor 1 receptors in the rat gut. J Ryan and D C Costigan Gut 1993; 34: 1693-1697. doi:10.1136/gut.34.12.1693 [Abstract] [PDF] [Request Permissions]
	Expression of CD45RO on circulating CD19+ B-cells in Crohn's disease. B R Yacyshyn and L M Pilarski Gut 1993; 34: 1698-1704. doi:10.1136/gut.34.12.1698 [Abstract] [PDF] [Request Permissions]
	Location of tumour necrosis factor alpha by immunohistochemistry in chronic inflammatory bowel disease. S H Murch, C P Braegger, J A Walker-Smith, and T T MacDonald Gut 1993; 34: 1705-1709. doi:10.1136/gut.34.12.1705 [Abstract] [PDF] [Request Permissions]
	Human papillomavirus 16 DNA in NIH3T3 cells transformed by colonic cancer cellular DNA. J Y Cheng, C L Meng, C F Chao, S D Gau, and J C Lin Gut 1993; 34: 1710-1713. doi:10.1136/gut.34.12.1710 [Abstract] [PDF] [Request Permissions]
	Prediction of the response of chronic hepatitis C to interferon alfa: a statistical analysis of pretreatment variables. J Camps, S Crisóstomo, M García-Granero, J I Riezu-Boj, M P Civeira, and J Prieto Gut 1993; 34: 1714-1717. doi:10.1136/gut.34.12.1714 [Abstract] [PDF] [Request Permissions]
	Endoscopic extraction of bile duct stones: management related to stone size. A Lauri, R C Horton, B R Davidson, A K Burroughs, and J S Dooley Gut 1993; 34: 1718-1721. doi:10.1136/gut.34.12.1718 [Abstract] [PDF] [Request Permissions]
	Comparison of two sialosyl-Tn binding monoclonal antibodies (MLS102 and B72.3) in detecting pancreatic cancer. C K Ching, S W Holmes, G K Holmes, and R G Long Gut 1993; 34: 1722-1725. doi:10.1136/gut.34.12.1722 [Abstract] [PDF] [Request Permissions]
	Toxic megacolon: the knee-elbow position relieves bowel distension. M Z Panos, M J Wood, and P Asquith Gut 1993; 34: 1726-1727. doi:10.1136/gut.34.12.1726 [Abstract] [PDF] [Request Permissions]
	Nature and standards of gastrointestinal and liver services in the United Kingdom. M J Farthing, R Williams, C H Swan, A Burroughs, R C Heading, J A Dodge, R I Russell, C W Venables, R Dick, and R Burnham Gut 1993; 34: 1728-1739. doi:10.1136/gut.34.12.1728 [Abstract] [PDF] [Request Permissions]

Letter

	Clinical and pathological spectrum of coeliac disease. M N Marsh Gut 1993; 34: 1740-1741. doi:10.1136/gut.34.12.1740 [PDF] [Request Permissions]
	Clinical and pathological spectrum of coeliac disease. C J Mulder, M L Mearin, and A S Peña Gut 1993; 34: 1740-1741. doi:10.1136/gut.34.12.1740-a [PDF] [Request Permissions]
	Gastric mucosal phospholipids and gastroduodenal diseases. J Andrews Gut 1993; 34: 1741-1742. doi:10.1136/gut.34.12.1741-c [PDF] [Request Permissions]

Letters to the Editor

	Reply A Ferguson and E Arranz Gut 1993; 34: 1741. doi:10.1136/gut.34.12.1741 [PDF] [Request Permissions]
	Perioperative endoscopy of the whole small bowel in Crohn's disease P J Shorvon Gut 1993; 34: 1741. doi:10.1136/gut.34.12.1741-a [PDF] [Request Permissions]
	Reply D Lescut and A Cortot Gut 1993; 34: 1741. doi:10.1136/gut.34.12.1741-b [PDF] [Request Permissions]
	Reply G Nardone and G Budillon Gut 1993; 34: 1742. doi:10.1136/gut.34.12.1742 [PDF] [Request Permissions]