Editorials

	Short rapid communications Gut 1991; 32: 461. doi:10.1136/gut.32.5.461 [PDF] [Request Permissions]

Research Article

	Sulphasalazine in ulcerative colitis: in memoriam? J Hayllar and I Bjarnason Gut 1991; 32: 462-463. doi:10.1136/gut.32.5.462 [PDF] [Request Permissions]
	Histamine concentration of gastric mucosa in Helicobacter pylori positive and negative children. D M Queiroz, E N Mendes, G A Rocha, A J Barbosa, A S Carvalho, and J R Cunha-Melo Gut 1991; 32: 464-466. doi:10.1136/gut.32.5.464 [Abstract] [PDF] [Request Permissions]
	Diagnostic efficiency of an ultrarapid endoscopy room test for Helicobacter pylori. A V Thillainayagam, A S Arvind, R S Cook, I G Harrison, S Tabaqchali, and M J Farthing Gut 1991; 32: 467-469. doi:10.1136/gut.32.5.467 [Abstract] [PDF] [Request Permissions]
	Effect of cisapride on delayed gastric emptying in gastro-oesophageal reflux disease. G J Maddern, G G Jamieson, J C Myers, and P J Collins Gut 1991; 32: 470-474. doi:10.1136/gut.32.5.470 [Abstract] [PDF] [Request Permissions]
	Hyperglycaemia stimulates pyloric motility in normal subjects. R Fraser, M Horowitz, and J Dent Gut 1991; 32: 475-478. doi:10.1136/gut.32.5.475 [Abstract] [PDF] [Request Permissions]
	Preoperative evaluation of gastric cancer by endoscopic ultrasound. K Akahoshi, T Misawa, H Fujishima, Y Chijiiwa, A Maruoka, A Ohkubo, and H Nawata Gut 1991; 32: 479-482. doi:10.1136/gut.32.5.479 [Abstract] [PDF] [Request Permissions]
	Gastrointestinal adaptation to diets of differing fat composition in human volunteers. K M Cunningham, J Daly, M Horowitz, and N W Read Gut 1991; 32: 483-486. doi:10.1136/gut.32.5.483 [Abstract] [PDF] [Request Permissions]
	HLA association with dermatitis herpetiformis is accounted for by a cis or transassociated DQ heterodimer. M A Hall, J S Lanchbury, W J Bolsover, K I Welsh, and P J Ciclitira Gut 1991; 32: 487-490. doi:10.1136/gut.32.5.487 [Abstract] [PDF] [Request Permissions]
	Factors influencing postoperative recurrence of Crohn's disease in childhood. A M Griffiths, D E Wesson, B Shandling, M Corey, and P M Sherman Gut 1991; 32: 491-495. doi:10.1136/gut.32.5.491 [Abstract] [PDF] [Request Permissions]
	Structural heterogeneity of faecal alpha 1 antitrypsin shown by immunoblot analysis in patients with Crohn's disease. F Boege and W Fischbach Gut 1991; 32: 496-499. doi:10.1136/gut.32.5.496 [Abstract] [PDF] [Request Permissions]
	Primary bile acid diarrhoea without an ileal carrier defect: quantification of active bile acid transport across the ileal brush border membrane. A J van Tilburg, F W de Rooij, J W van den Berg, and M van Blankenstein Gut 1991; 32: 500-503. doi:10.1136/gut.32.5.500 [Abstract] [PDF] [Request Permissions]
	The presence in experimental animals of a colon specific Mr 40,000 protein(s) with relevance to ulcerative colitis. L Biancone, L S Wise, and K M Das Gut 1991; 32: 504-508. doi:10.1136/gut.32.5.504 [Abstract] [PDF] [Request Permissions]
	How prevalent is cancer family syndrome? F Kee and B J Collins Gut 1991; 32: 509-512. doi:10.1136/gut.32.5.509 [Abstract] [PDF] [Request Permissions]
	Prognosis in familial non-polyposis colorectal cancer. F Kee, B J Collins, and C C Patterson Gut 1991; 32: 513-516. doi:10.1136/gut.32.5.513 [Abstract] [PDF] [Request Permissions]
	Local eradication of rat colon cancer with photodynamic therapy: correlation of distribution of photosensitiser with biological effects in normal and tumour tissue. H Barr, P Chatlani, C J Tralau, A J MacRobert, P B Boulos, and S G Bown Gut 1991; 32: 517-523. doi:10.1136/gut.32.5.517 [Abstract] [PDF] [Request Permissions]
	Focal nodular hyperplasia of the liver: results of treatment and options in management. J A Pain, A E Gimson, R Williams, and E R Howard Gut 1991; 32: 524-527. doi:10.1136/gut.32.5.524 [Abstract] [PDF] [Request Permissions]
	Effect of a new synthetic ascorbic acid derivative as a free radical scavenger on the development of acute pancreatitis in mice. A Nonaka, T Manabe, and T Tobe Gut 1991; 32: 528-532. doi:10.1136/gut.32.5.528 [Abstract] [PDF] [Request Permissions]
	Molecular differences between human and experimental pancreaticobiliary diversion-induced rat pancreatic neoplasia. P A Hall, N R Lemoine, G Murphy, and R H Dowling Gut 1991; 32: 533-535. doi:10.1136/gut.32.5.533 [Abstract] [PDF] [Request Permissions]
	Persistence of symptoms after gall bladder clearance with cholecystolithotripsy. S H Lee and H J Burhenne Gut 1991; 32: 536-538. doi:10.1136/gut.32.5.536 [Abstract] [PDF] [Request Permissions]
	Gall stone disease in African patients with sickle cell anaemia: a preliminary report from Yaounde, Cameroon. R F Billa, M S Biwole, A G Juimo, B I Bejanga, and K Blackett Gut 1991; 32: 539-541. doi:10.1136/gut.32.5.539 [Abstract] [PDF] [Request Permissions]
	alpha Fetoprotein producing early gastric cancer with liver metastasis: report of three cases. Y C Chang, N Nagasue, S Abe, H Kohno, D D Kumar, and T Nakamura Gut 1991; 32: 542-545. doi:10.1136/gut.32.5.542 [Abstract] [PDF] [Request Permissions]
	Selective deficiency of pancreatic amylase. K Sjölund, A Häggmark, I Ihse, G Skude, U Kärnström, and M Wikander Gut 1991; 32: 546-548. doi:10.1136/gut.32.5.546 [Abstract] [PDF] [Request Permissions]
	Undetectable caeruloplasmin values in a patient with autoimmune chronic active hepatitis. Y Ilan, M Hillman, R Oren, E Galun, and M Shalit Gut 1991; 32: 549-550. doi:10.1136/gut.32.5.549 [Abstract] [PDF] [Request Permissions]

Letter

	Recovery from sedation in day units. C Whitehead and L D Sanders Gut 1991; 32: 551. doi:10.1136/gut.32.5.551 [PDF] [Request Permissions]
	13C-urea breath test for Helicobacter pylori infection. G D Bell, K Powell, J Weil, G Harrison, S Brookes, and S Prosser Gut 1991; 32: 551-552. doi:10.1136/gut.32.5.551-a [PDF] [Request Permissions]

Letters to the Editor

	Reply R P H Logan, J J Misiewicz, and S Dill Gut 1991; 32: 552. doi:10.1136/gut.32.5.552 [PDF] [Request Permissions]

Book Review

	Premalignant conditions of the gastrointestinal tract B C Morson Gut 1991; 32: 552. doi:10.1136/gut.32.5.552-a [PDF] [Request Permissions]

Correction

	Effects of olsalazine and sulphasalazine on jejunal and ileal water and electrolyte absorption in normal human subjects Gut 1991; 32: 552. doi:10.1136/gut.32.5.552-b [PDF] [Request Permissions]

Articles

	British Society of Gastroenterology Gut 1991; 32: A553-A600. doi:10.1136/gut.32.5.A553 [PDF] [Request Permissions]