Research Article

	Single gene disorders affecting the gastrointestinal tract. G R Taylor and S M Farmery Gut 1993; 34: 433-436. doi:10.1136/gut.34.4.433 [PDF] [Request Permissions]
	Sulphate reducing bacteria and hydrogen metabolism in the human large intestine. G R Gibson, G T Macfarlane, and J H Cummings Gut 1993; 34: 437-439. doi:10.1136/gut.34.4.437 [PDF] [Request Permissions]
	Gall stones and gall bladder motility. L J O'Donnell and P D Fairclough Gut 1993; 34: 440-443. doi:10.1136/gut.34.4.440 [PDF] [Request Permissions]
	Pressure events surrounding oesophageal acid reflux episodes and acid clearance in ambulant healthy volunteers. C P Barham, D C Gotley, R Miller, A Mills, and D Alderson Gut 1993; 34: 444-449. doi:10.1136/gut.34.4.444 [Abstract] [PDF] [Request Permissions]
	Pepsinogen C gene polymorphisms associated with gastric body ulcer. T Azuma, N Teramae, T Hayakumo, K Yasuda, M Nakajima, T Kodama, H Inokuchi, K Hayashi, R T Taggart, and K Kawai Gut 1993; 34: 450-455. doi:10.1136/gut.34.4.450 [Abstract] [PDF] [Request Permissions]
	Phospholipid composition of human gastric mucosa: a study of endoscopic biopsy specimens. G Nardone, P Laccetti, C Civiletti, and G Budillon Gut 1993; 34: 456-460. doi:10.1136/gut.34.4.456 [Abstract] [PDF] [Request Permissions]
	Serological diagnosis of Helicobacter pylori--evaluation of four tests in the presence or absence of non-steroidal anti-inflammatory drugs. A S Taha, J Reid, P Boothmann, C G Gemmell, F D Lee, R D Sturrock, and R I Russell Gut 1993; 34: 461-465. doi:10.1136/gut.34.4.461 [Abstract] [PDF] [Request Permissions]
	Short and long term outcome of Helicobacter pylori positive resistant duodenal ulcers treated with colloidal bismuth subcitrate plus antibiotics or sucralfate alone. G Bianchi Porro, F Parente, and M Lazzaroni Gut 1993; 34: 466-469. doi:10.1136/gut.34.4.466 [Abstract] [PDF] [Request Permissions]
	Laser ablation of upper gastrointestinal vascular ectasias: long term results. I R Sargeant, L A Loizou, D Rampton, M Tulloch, and S G Bown Gut 1993; 34: 470-475. doi:10.1136/gut.34.4.470 [Abstract] [PDF] [Request Permissions]
	Gastrointestinal function in chronic radiation enteritis--effects of loperamide-N-oxide. E K Yeoh, M Horowitz, A Russo, T Muecke, T Robb, and B E Chatterton Gut 1993; 34: 476-482. doi:10.1136/gut.34.4.476 [Abstract] [PDF] [Request Permissions]
	Bile salt inhibition of motility in the isolated perfused rabbit terminal ileum. D N Armstrong, H K Krenz, I M Modlin, and G H Ballantyne Gut 1993; 34: 483-488. doi:10.1136/gut.34.4.483 [Abstract] [PDF] [Request Permissions]
	Presence of N-acyl and acetoxy derivatives of putrescine and cadaverine in the human gut. K E Murray, K J Shaw, R F Adams, and P L Conway Gut 1993; 34: 489-493. doi:10.1136/gut.34.4.489 [Abstract] [PDF] [Request Permissions]
	Screening for gastric carcinoma in coal miners. J D Harrison, D L Morris, and J D Hardcastle Gut 1993; 34: 494-498. doi:10.1136/gut.34.4.494 [Abstract] [PDF] [Request Permissions]
	Increased risk of left sided colon cancer in patients with diverticular disease. T Stefánsson, A Ekbom, P Sparèn, and L Påhlman Gut 1993; 34: 499-502. doi:10.1136/gut.34.4.499 [Abstract] [PDF] [Request Permissions]
	Inter-relationships between inflammatory mediators released from colonic mucosa in ulcerative colitis and their effects on colonic secretion. T D Wardle, L Hall, and L A Turnberg Gut 1993; 34: 503-508. doi:10.1136/gut.34.4.503 [Abstract] [PDF] [Request Permissions]
	Increased absorption of polyethylene glycol 600 deposited in the colon in active ulcerative colitis. S Almer, L Franzén, G Olaison, K Smedh, and M Ström Gut 1993; 34: 509-513. doi:10.1136/gut.34.4.509 [Abstract] [PDF] [Request Permissions]
	Pathology of the defunctioned rectum in ulcerative colitis. B F Warren, N A Shepherd, D C Bartolo, and J W Bradfield Gut 1993; 34: 514-516. doi:10.1136/gut.34.4.514 [Abstract] [PDF] [Request Permissions]
	Familial empirical risks for inflammatory bowel disease: differences between Jews and non-Jews. H Yang, C McElree, M P Roth, F Shanahan, S R Targan, and J I Rotter Gut 1993; 34: 517-524. doi:10.1136/gut.34.4.517 [Abstract] [PDF] [Request Permissions]
	Rectal epithelial cell proliferation patterns as predictors of adenomatous colorectal polyp recurrence. M Anti, G Marra, F Armelao, A Percesepe, R Ficarelli, G M Ricciuto, A Valenti, G L Rapaccini, I De Vitis, and G D'Agostino Gut 1993; 34: 525-530. doi:10.1136/gut.34.4.525 [Abstract] [PDF] [Request Permissions]
	Sex differences in colonic function: a randomised trial. J W Lampe, S B Fredstrom, J L Slavin, and J D Potter Gut 1993; 34: 531-536. doi:10.1136/gut.34.4.531 [Abstract] [PDF] [Request Permissions]
	Cephalic phase of colonic pressure response to food. J Rogers, A H Raimundo, and J J Misiewicz Gut 1993; 34: 537-543. doi:10.1136/gut.34.4.537 [Abstract] [PDF] [Request Permissions]
	Immunoblotting as a confirmatory test for antimitochondrial antibodies in primary biliary cirrhosis. G Provenzano, O Diquattro, A Craxì, P Almasio, G Pinzello, L Marino, G Fiorentino, F Rinaldi, and L Pagliaro Gut 1993; 34: 544-548. doi:10.1136/gut.34.4.544 [Abstract] [PDF] [Request Permissions]
	GSTM1 null polymorphism at the glutathione S-transferase M1 locus: phenotype and genotype studies in patients with primary biliary cirrhosis. M H Davies, E Elias, S Acharya, W Cotton, G C Faulder, A A Fryer, and R C Strange Gut 1993; 34: 549-553. doi:10.1136/gut.34.4.549 [Abstract] [PDF] [Request Permissions]
	Hepatic perfusion changes in patients with liver metastases: comparison with those patients with cirrhosis. E Leen, J A Goldberg, J R Anderson, J Robertson, B Moule, T G Cooke, and C S McArdle Gut 1993; 34: 554-557. doi:10.1136/gut.34.4.554 [Abstract] [PDF] [Request Permissions]
	Diffuse vascular ectasia of the antrum, duodenum, and jejunum in a patient with nodular regenerative hyperplasia. Lack of response to portosystemic shunt or gastrectomy. P Calès, J J Voigt, J L Payen, E Bloom, P Berg, J P Vinel, B Pradère, P Broussy, and J P Pascal Gut 1993; 34: 558-561. doi:10.1136/gut.34.4.558 [Abstract] [PDF] [Request Permissions]
	Cap polyposis--an unusual cause of diarrhoea. A P Campbell, C A Cobb, R W Chapman, M Kettlewell, P Hoang, B J Haot, and D P Jewell Gut 1993; 34: 562-564. doi:10.1136/gut.34.4.562 [Abstract] [PDF] [Request Permissions]
	Early acute hepatitis with parenteral amiodarone: a toxic effect of the vehicle? A Rhodes, J B Eastwood, and S A Smith Gut 1993; 34: 565-566. doi:10.1136/gut.34.4.565 [Abstract] [PDF] [Request Permissions]
	Polymyositis associated with ulcerative colitis. S Chugh, J B Dilawari, I M Sawhney, N Dang, B D Radotra, and Y K Chawla Gut 1993; 34: 567-569. doi:10.1136/gut.34.4.567 [Abstract] [PDF] [Request Permissions]
	Multisystem Langerhans' cell histiocytosis with pancreatic involvement. R C Yu, A Attra, C M Quinn, T Krausz, and A C Chu Gut 1993; 34: 570-572. doi:10.1136/gut.34.4.570 [Abstract] [PDF] [Request Permissions]

Letter

	Methanogenesis in the human large intestine. T Florin Gut 1993; 34: 573-574. doi:10.1136/gut.34.4.573 [PDF] [Request Permissions]
	Thyroid function and interferon treatment in chronic hepatitis C. A Picciotto, G Varagona, P Cianciosi, R Franceschini, A Garibaldi, and G Celle Gut 1993; 34: 574. doi:10.1136/gut.34.4.574 [PDF] [Request Permissions]
	Biliary endoprosthesis and common bile duct stones. P B Cotton Gut 1993; 34: 574-575. doi:10.1136/gut.34.4.574-b [PDF] [Request Permissions]
	Assessment of proliferation of squamous, Barrett's, and gastric mucosa in patients with columnar lined Barrett's oesophagus. M Gray Gut 1993; 34: 575. doi:10.1136/gut.34.4.575-a [PDF] [Request Permissions]
	Strategies for hepatitis B infection. P J Wismans and J van Hattum Gut 1993; 34: 575. doi:10.1136/gut.34.4.575-c [PDF] [Request Permissions]
	Overview of screening and management of familial adenomatous polyposis. I S Tait, D J Byrne, and J C Forrester Gut 1993; 34: 575-576. doi:10.1136/gut.34.4.575-d [PDF] [Request Permissions]
	Bleeding varices in the elderly. V McDermott Gut 1993; 34: 576. doi:10.1136/gut.34.4.576-a [PDF] [Request Permissions]

Letters to the Editor

	Reply S U Christl, G R Gibson, and J H Cummings Gut 1993; 34: 573-574. doi:10.1136/gut.34.4.573-a [PDF] [Request Permissions]
	Reply P Marcellin, M Pouteau, N Colas Linhart, B Bok, and J-P Benhamou Gut 1993; 34: 574. doi:10.1136/gut.34.4.574-a [PDF] [Request Permissions]
	Reply D Westaby and R Peters Gut 1993; 34: 575. doi:10.1136/gut.34.4.575 [PDF] [Request Permissions]
	Reply S Y Iftikhar, R J C Steele, S Watson, and P D James Gut 1993; 34: 575. doi:10.1136/gut.34.4.575-b [PDF] [Request Permissions]
	Reply D M Bradburn and M Rhodes Gut 1993; 34: 576. doi:10.1136/gut.34.4.576 [PDF] [Request Permissions]
	Reply D R Triger Gut 1993; 34: 576. doi:10.1136/gut.34.4.576-b [PDF] [Request Permissions]