Research Article

	Regulation of intestinal non-haem iron absorption. M Lombard, E Chua, and P O'Toole Gut 1997; 40: 435-439. doi:10.1136/gut.40.4.435 [PDF] [Request Permissions]
	Autoimmune cholangitis. J Heathcote Gut 1997; 40: 440-442. doi:10.1136/gut.40.4.440 [PDF] [Request Permissions]
	Tumour necrosis factor and Crohn's disease. S J Van Deventer Gut 1997; 40: 443-448. doi:10.1136/gut.40.4.443 [PDF] [Request Permissions]
	Effect of intraduodenal fat on lower oesophageal sphincter function and gastro-oesophageal reflux. R H Holloway, E Lyrenas, A Ireland, and J Dent Gut 1997; 40: 449-453. doi:10.1136/gut.40.4.449 [Abstract] [PDF] [Request Permissions]
	Comparison of serum, salivary, and rapid whole blood diagnostic tests for Helicobacter pylori and their validation against endoscopy based tests. T G Reilly, V Poxon, D S Sanders, T S Elliott, and R P Walt Gut 1997; 40: 454-458. doi:10.1136/gut.40.4.454 [Abstract] [PDF] [Request Permissions]
	A citric acid solution is an optimal test drink in the 13C-urea breath test for the diagnosis of Helicobacter pylori infection. J E Domínguez-Muñoz, A Leodolter, T Sauerbruch, and P Malfertheiner Gut 1997; 40: 459-462. doi:10.1136/gut.40.4.459 [Abstract] [PDF] [Request Permissions]
	Mucosal expression and luminal release of epidermal and transforming growth factors in patients with duodenal ulcer before and after eradication of Helicobacter pylori. P C Konturek, H Ernst, S J Konturek, A J Bobrzynski, G Faller, C Klingler, and E G Hahn Gut 1997; 40: 463-469. doi:10.1136/gut.40.4.463 [Abstract] [PDF] [Request Permissions]
	Treatment with tumour necrosis factor inhibitor oxpentifylline does not improve corticosteroid dependent chronic active Crohn's disease. J Bauditz, J Haemling, M Ortner, H Lochs, A Raedler, and S Schreiber Gut 1997; 40: 470-474. doi:10.1136/gut.40.4.470 [Abstract] [PDF] [Request Permissions]
	In vitro effects of oxpentifylline on inflammatory cytokine release in patients with inflammatory bowel disease. J M Reimund, S Dumont, C D Muller, J S Kenney, M Kedinger, R Baumann, P Poindron, and B Duclos Gut 1997; 40: 475-480. doi:10.1136/gut.40.4.475 [Abstract] [PDF] [Request Permissions]
	Pancreatic autoantibodies in Crohn's disease: a family study. F Seibold, H Mörk, S Tanza, A Müller, C Holzhüter, P Weber, and M Scheurlen Gut 1997; 40: 481-484. doi:10.1136/gut.40.4.481 [Abstract] [PDF] [Request Permissions]
	Short chain fatty acid rectal irrigation for left-sided ulcerative colitis: a randomised, placebo controlled trial. R I Breuer, K H Soergel, B A Lashner, M L Christ, S B Hanauer, A Vanagunas, J M Harig, A Keshavarzian, M Robinson, J H Sellin, D Weinberg, D E Vidican, K L Flemal, and A W Rademaker Gut 1997; 40: 485-491. doi:10.1136/gut.40.4.485 [Abstract] [PDF] [Request Permissions]
	Down's syndrome is strongly associated with coeliac disease. L Gale, H Wimalaratna, A Brotodiharjo, and J M Duggan Gut 1997; 40: 492-496. doi:10.1136/gut.40.4.492 [Abstract] [PDF] [Request Permissions]
	Increasing the intestinal resistance of rats to the invasive pathogen Salmonella enteritidis: additive effects of dietary lactulose and calcium. I M Bovee-Oudenhoven, D S Termont, P J Heidt, and R Van der Meer Gut 1997; 40: 497-504. doi:10.1136/gut.40.4.497 [Abstract] [PDF] [Request Permissions]
	Effect of shigella enterotoxin 1 (ShET1) on rabbit intestine in vitro and in vivo. A Fasano, F R Noriega, F M Liao, W Wang, and M M Levine Gut 1997; 40: 505-511. doi:10.1136/gut.40.4.505 [Abstract] [PDF] [Request Permissions]
	Micrometastases: marker of metastatic potential or evidence of residual disease? G C O'Sullivan, J K Collins, J Kelly, J Morgan, M Madden, and F Shanahan Gut 1997; 40: 512-515. doi:10.1136/gut.40.4.512 [Abstract] [PDF] [Request Permissions]
	Differential expression of oestrogen receptor and oestrogen inducible genes in gastric mucosa and cancer. S Singh, R Poulsom, N A Wright, M C Sheppard, and M J Langman Gut 1997; 40: 516-520. doi:10.1136/gut.40.4.516 [Abstract] [PDF] [Request Permissions]
	APC gene mutations and extraintestinal phenotype of familial adenomatous polyposis. F M Giardiello, G M Petersen, S Piantadosi, S B Gruber, E I Traboulsi, G J Offerhaus, K Muro, A J Krush, S V Booker, M C Luce, S J Laken, K W Kinzler, B Vogelstein, and S R Hamilton Gut 1997; 40: 521-525. doi:10.1136/gut.40.4.521 [Abstract] [PDF] [Request Permissions]
	Influence of changes in pancreatic tissue morphology and capillary blood flow on antibiotic tissue concentrations in the pancreas during the progression of acute pancreatitis. T Foitzik, H G Hotz, M Kinzig, F Sörgel, and H J Buhr Gut 1997; 40: 526-530. doi:10.1136/gut.40.4.526 [Abstract] [PDF] [Request Permissions]
	Combined treatment with C1 esterase inhibitor and antithrombin III improves survival in severe acute experimental pancreatitis. H Yamaguchi, H Weidenbach, H Lührs, M M Lerch, G Dickneite, and G Adler Gut 1997; 40: 531-535. doi:10.1136/gut.40.4.531 [Abstract] [PDF] [Request Permissions]
	Effect of chronic endogenous hypergastrinaemia on pancreatic growth and carcinogenesis in the hamster. M Chu, E Kullman, J F Rehfeld, and K Borch Gut 1997; 40: 536-540. doi:10.1136/gut.40.4.536 [Abstract] [PDF] [Request Permissions]
	Topical glyceryl trinitrate relaxes the sphincter of Oddi. W Luman, A Pryde, R C Heading, and K R Palmer Gut 1997; 40: 541-543. doi:10.1136/gut.40.4.541 [Abstract] [PDF] [Request Permissions]
	Acquired C3 deficiency in patients with alcoholic cirrhosis predisposes to infection and increased mortality. C Homann, K Varming, K Høgåsen, T E Mollnes, N Graudal, A C Thomsen, and P Garred Gut 1997; 40: 544-549. doi:10.1136/gut.40.4.544 [Abstract] [PDF] [Request Permissions]
	Granulomatous gastritis in Wegener's disease: differentiation from Crohn's disease supported by a positive test for antineutrophil antibodies. B Temmesfeld-Wollbrueck, C Heinrichs, A Szalay, and W Seeger Gut 1997; 40: 550-553. doi:10.1136/gut.40.4.550 [Abstract] [PDF] [Request Permissions]
	Video education and evidence in endoscopy. A Hart, M Mayberry, and J Mayberry Gut 1997; 40: 554. doi:10.1136/gut.40.4.554 [PDF] [Request Permissions]
	Micrometastases: are they clinically significant disease? H J Andreyev and D Cunningham Gut 1997; 40: 555-556. doi:10.1136/gut.40.4.555 [PDF] [Request Permissions]
	Antibody 'markers' in Crohn's disease: opportunity or overstatement? F Shanahan Gut 1997; 40: 557-558. doi:10.1136/gut.40.4.557 [PDF] [Request Permissions]
	Oxpentifylline, tumour necrosis factor-alpha and Crohn's disease. T T MacDonald Gut 1997; 40: 559. doi:10.1136/gut.40.4.559 [PDF] [Request Permissions]
	Soluble TNF receptors as prognostic factors for mortality. R W Parks, K R Gardiner, M I Halliday, and B J Rowlands Gut 1997; 40: 560. doi:10.1136/gut.40.4.560 [PDF] [Request Permissions]
	Helicobacter pylori and ulcer healing. D Dowling Gut 1997; 40: 560-561. doi:10.1136/gut.40.4.560-b [PDF] [Request Permissions]
	Endoscopic papillectomy. A D McCutcheon Gut 1997; 40: 561. doi:10.1136/gut.40.4.561-a [PDF] [Request Permissions]

Letters to the Editor

	Reply M Bemelmans, J W Greve, W A Buurman, and D J Gouma Gut 1997; 40: 560. doi:10.1136/gut.40.4.560-a [PDF] [Request Permissions]
	Reply F Parente, V Imbesi, and G Bianchi Porro Gut 1997; 40: 561. doi:10.1136/gut.40.4.561 [PDF] [Request Permissions]
	Reply R J Farrell and P W N Keeling Gut 1997; 40: 561. doi:10.1136/gut.40.4.561-b [PDF] [Request Permissions]

Book Reviews

	Textbook of Gastroenterology Robert Allen Gut 1997; 40: 561-562. doi:10.1136/gut.40.4.561-c [PDF] [Request Permissions]
	Hepatology: A Textbook of Liver Disease J O'Grady Gut 1997; 40: 562. doi:10.1136/gut.40.4.562 [PDF] [Request Permissions]
	Operative Laparoscopy and Thoracoscopy D Alderson Gut 1997; 40: 562. doi:10.1136/gut.40.4.562-a [PDF] [Request Permissions]