Research Article

	Palliation of malignant obstructive jaundice--surgery or stent? A R Hatfield Gut 1990; 31: 1339-1340. doi:10.1136/gut.31.12.1339 [PDF] [Request Permissions]
	Appraisal of gut lavage in the study of intestinal humoral immunity. S O'Mahony, J R Barton, S Crichton, and A Ferguson Gut 1990; 31: 1341-1344. doi:10.1136/gut.31.12.1341 [Abstract] [PDF] [Request Permissions]
	Jejunal immunoglobulin and antigliadin antibody secretion in adult coeliac disease. J F Colombel, F Mascart-Lemone, J Nemeth, J P Vaerman, C Dive, and J C Rambaud Gut 1990; 31: 1345-1349. doi:10.1136/gut.31.12.1345 [Abstract] [PDF] [Request Permissions]
	Effect of vasoactive intestinal peptide on cyclic adenosine monophosphate production in enterocytes isolated from human duodenal biopsy specimens. J A Smith, M Griffin, S E Mireylees, and R G Long Gut 1990; 31: 1350-1354. doi:10.1136/gut.31.12.1350 [Abstract] [PDF] [Request Permissions]
	Gastrointestinal intraluminal pH in normal subjects and those with colorectal adenoma or carcinoma. G Pye, D F Evans, S Ledingham, and J D Hardcastle Gut 1990; 31: 1355-1357. doi:10.1136/gut.31.12.1355 [Abstract] [PDF] [Request Permissions]
	Experimental non-steroidal anti-inflammatory drug-induced enteropathy in the rat: similarities to inflammatory bowel disease and effect of thromboxane synthetase inhibitors. A K Banerjee and T J Peters Gut 1990; 31: 1358-1364. doi:10.1136/gut.31.12.1358 [Abstract] [PDF] [Request Permissions]
	Differential expression of CD25 (interleukin-2 receptor) on lamina propria T cells and macrophages in the intestinal lesions in Crohn's disease and ulcerative colitis. M Y Choy, J A Walker-Smith, C B Williams, and T T MacDonald Gut 1990; 31: 1365-1370. doi:10.1136/gut.31.12.1365 [Abstract] [PDF] [Request Permissions]
	In vitro anticolon antibody production by mucosal or peripheral blood lymphocytes from patients with ulcerative colitis. T Hibi, M Ohara, K Toda, A Hara, H Ogata, Y Iwao, N Watanabe, M Watanabe, Y Hamada, and K Kobayashi Gut 1990; 31: 1371-1376. doi:10.1136/gut.31.12.1371 [Abstract] [PDF] [Request Permissions]
	Inflammatory bowel disease and tobacco smoke--a case-control study. P G Persson, A Ahlbom, and G Hellers Gut 1990; 31: 1377-1381. doi:10.1136/gut.31.12.1377 [Abstract] [PDF] [Request Permissions]
	Rectal mucosal dysplasia in Crohn's disease. B I Korelitz, G Y Lauwers, and S C Sommers Gut 1990; 31: 1382-1386. doi:10.1136/gut.31.12.1382 [Abstract] [PDF] [Request Permissions]
	Mortality and causes of death in Crohn's disease. Review of 50 years' experience in Leiden University Hospital. I T Weterman, I Biemond, and A S Peña Gut 1990; 31: 1387-1390. doi:10.1136/gut.31.12.1387 [Abstract] [PDF] [Request Permissions]
	Short chain fatty acids dilate isolated human colonic resistance arteries. F V Mortensen, H Nielsen, M J Mulvany, and I Hessov Gut 1990; 31: 1391-1394. doi:10.1136/gut.31.12.1391 [Abstract] [PDF] [Request Permissions]
	Efficacy of biofeedback training in improving faecal incontinence and anorectal physiologic function. V Loening-Baucke Gut 1990; 31: 1395-1402. doi:10.1136/gut.31.12.1395 [Abstract] [PDF] [Request Permissions]
	Effects of lactulose and lactitol on protein digestion and metabolism in conventional and germ free animal models: relevance of the results to their use in the treatment of portosystemic encephalopathy. S P Bird, D Hewitt, B Ratcliffe, and M I Gurr Gut 1990; 31: 1403-1406. doi:10.1136/gut.31.12.1403 [Abstract] [PDF] [Request Permissions]
	Comparison of gall bladder bile and endoscopically obtained duodenal bile. P Janowitz, W Swobodnik, J G Wechsler, A Zöller, K Kuhn, and H Ditschuneit Gut 1990; 31: 1407-1410. doi:10.1136/gut.31.12.1407 [Abstract] [PDF] [Request Permissions]
	Ethanol in pancreatic juice after oral and intravenous administration. I Gjørup, S Dueholm, B Andersen, and F Burcharth Gut 1990; 31: 1411-1413. doi:10.1136/gut.31.12.1411 [Abstract] [PDF] [Request Permissions]
	Strongyloides stercoralis associated with a bleeding gastric ulcer. A Dees, P L Batenburg, H M Umar, R S Menon, and J Verweij Gut 1990; 31: 1414-1415. doi:10.1136/gut.31.12.1414 [Abstract] [PDF] [Request Permissions]
	Isolated lipase and colipase deficiency in two brothers. M Ligumsky, E Granot, D Branski, H Stankiewicz, and R Goldstein Gut 1990; 31: 1416-1418. doi:10.1136/gut.31.12.1416 [Abstract] [PDF] [Request Permissions]

Letter

	Prediction of severity of acute pancreatitis. A Arora and S K Acharya Gut 1990; 31: 1419. doi:10.1136/gut.31.12.1419 [PDF] [Request Permissions]
	Effects of albumin infusion in cirrhotic patients. T Tulassay, Z Tulassay, and W Rascher Gut 1990; 31: 1419-1420. doi:10.1136/gut.31.12.1419-c [PDF] [Request Permissions]
	Reproducibility of oesophageal pH monitoring. F J Hampton and U M MacFadyen Gut 1990; 31: 1420-1421. doi:10.1136/gut.31.12.1420 [PDF] [Request Permissions]
	Elimination of high titre HIV from fibreoptic endoscopes. C S Neumann Gut 1990; 31: 1421. doi:10.1136/gut.31.12.1421 [PDF] [Request Permissions]
	Systemic chemotherapy for Helicobacter pylori eradication? S Islam and A J McLean Gut 1990; 31: 1421-1422. doi:10.1136/gut.31.12.1421-b [PDF] [Request Permissions]
	Diabetes and cholelithiasis. P Pazzi, L Trevisani, S Sartori, D Sighinolfi, and V Alvisi Gut 1990; 31: 1422-1423. doi:10.1136/gut.31.12.1422 [PDF] [Request Permissions]
	Gall bladder epithelium and cholesterol gall stones. M E Caselli, E Morsiani, A Aleotti, and V Alvisi Gut 1990; 31: 1423. doi:10.1136/gut.31.12.1423 [PDF] [Request Permissions]
	Immunological response to Cryptosporidium species. M F Heyworth Gut 1990; 31: 1423-1424. doi:10.1136/gut.31.12.1423-a [PDF] [Request Permissions]
	Use of elemental diets in the treatment of Crohn's disease by gastroenterologists. J J Payne-James and D B Silk Gut 1990; 31: 1424. doi:10.1136/gut.31.12.1424-a [PDF] [Request Permissions]
	Vancomycin in resistant hepatic encephalopathy. A Forbes and I Murray-Lyon Gut 1990; 31: 1424. doi:10.1136/gut.31.12.1424-b [PDF] [Request Permissions]

Letters to the Editor

	Reply S T Fan Gut 1990; 31: 1419. doi:10.1136/gut.31.12.1419-a [PDF] [Request Permissions]
	Why do patients with ulcerative colitis relapse? J W Paulley Gut 1990; 31: 1419. doi:10.1136/gut.31.12.1419-b [PDF] [Request Permissions]
	Reply Y Vandenplas Gut 1990; 31: 1420-1421. doi:10.1136/gut.31.12.1420-a [PDF] [Request Permissions]
	Reply P J V Hanson Gut 1990; 31: 1421. doi:10.1136/gut.31.12.1421-a [PDF] [Request Permissions]
	Reply Markku Laakso and Risto Julkunen Gut 1990; 31: 1422-1423. doi:10.1136/gut.31.12.1422-a [PDF] [Request Permissions]
	Reply M R Jacyna Gut 1990; 31: 1424. doi:10.1136/gut.31.12.1424 [PDF] [Request Permissions]