Research Article

	Effect of intestinal surgery on the risk of urinary stone formation. C P Bambach, W G Robertson, M Peacock, and G L Hill Gut 1981; 22: 257-263. doi:10.1136/gut.22.4.257 [Abstract] [PDF] [Request Permissions]
	Increased cell loss in the human jejunum induced by laxatives (ricinoleic acid, dioctyl sodium sulphosuccinate, magnesium sulphate, bile salts). J F Bretagne, N Vidon, C L'Hirondel, and J J Bernier Gut 1981; 22: 264-269. doi:10.1136/gut.22.4.264 [Abstract] [PDF] [Request Permissions]
	Bile acid inhibition of vitamin B12 binding by intrinsic factor in vitro. N H Teo, J M Scott, B Reed, G Neale, and D G Weir Gut 1981; 22: 270-276. doi:10.1136/gut.22.4.270 [Abstract] [PDF] [Request Permissions]
	Mucosal cell proliferation in duodenal ulcer and duodenitis. C J Bransom, M E Boxer, K R Palmer, J C Clark, J C Underwood, and H L Duthie Gut 1981; 22: 277-282. doi:10.1136/gut.22.4.277 [Abstract] [PDF] [Request Permissions]
	Distribution of prostaglandins in gastric and duodenal mucosa of healthy subjects and duodenal ulcer patients: effects of aspirin and paracetamol. S J Konturek, W Obtulowicz, E Sito, J Oleksy, S Wilkon, and A Kiec-Dembinska Gut 1981; 22: 283-289. doi:10.1136/gut.22.4.283 [Abstract] [PDF] [Request Permissions]
	Human colonic mononuclear cells: studies of cytotoxic function. Z M Falchuk, E Barnhard, and I Machado Gut 1981; 22: 290-294. doi:10.1136/gut.22.4.290 [Abstract] [PDF] [Request Permissions]
	The liver in siblings of patients with Indian childhood cirrhosis: a light and electron microscopic study. N C Nayak, N Marwaha, V Kalra, S Roy, and O P Ghai Gut 1981; 22: 295-300. doi:10.1136/gut.22.4.295 [Abstract] [PDF] [Request Permissions]
	Impaired glucose tolerance and growth hormone in chronic liver disease. W J Riley and V J McCann Gut 1981; 22: 301-305. doi:10.1136/gut.22.4.301 [Abstract] [PDF] [Request Permissions]
	Effects of bile acids and hydrogen ion on the fine structure of oesophageal epithelium. D Hopwood, M C Bateson, G Milne, and I A Bouchier Gut 1981; 22: 306-311. doi:10.1136/gut.22.4.306 [Abstract] [PDF] [Request Permissions]
	Effect of nitrates on LOS pressure in achalasia: a potential therapeutic aid. M Gelfond, P Rozen, S Keren, and T Gilat Gut 1981; 22: 312-318. doi:10.1136/gut.22.4.312 [Abstract] [PDF] [Request Permissions]
	Comparison of twice-daily ranitidine with standard cimetidine treatment of duodenal ulcer. R P Walt, I F Trotman, R Frost, P L Golding, T H Shepherd, J Rawlings, R H Hunt, D Colin-Jones, G J Milton-Thompson, and J J Misiewicz Gut 1981; 22: 319-322. doi:10.1136/gut.22.4.319 [Abstract] [PDF] [Request Permissions]
	Symptom relief and the placebo effect in the trial of an anti-peptic drug. A J MacDonald, N R Peden, R Hayton, C N Mallinson, D Roberts, and K G Wormsley Gut 1981; 22: 323-326. doi:10.1136/gut.22.4.323 [Abstract] [PDF] [Request Permissions]
	Eight-year experience with 3392 endoscopically proven duodenal ulcers in Durban, 1972-79. Rise and fall of duodenal ulcers and a theory of changing dietary and social factors. M G Moshal, J M Spitaels, J V Robbs, I N MacLeod, and C J Good Gut 1981; 22: 327-331. doi:10.1136/gut.22.4.327 [Abstract] [PDF] [Request Permissions]
	Hepatocellular carcinoma in HBsAg-negative chronic active hepatitis. P J Jenkins, W M Melia, B Portmann, J M Longworth Krafft, and R Williams Gut 1981; 22: 332-335. doi:10.1136/gut.22.4.332 [Abstract] [PDF] [Request Permissions]
	Intubation of gastro-oesophageal malignancies: a survey of current practice in Britain, 1980. J R Bennett Gut 1981; 22: 336-338. doi:10.1136/gut.22.4.336 [Abstract] [PDF] [Request Permissions]

Book Review

	Infestions of the Gastrointestinal Tract: Microbiology, Pathophysiology, and Clinical Features Hillas Smith Gut 1981; 22: 339. doi:10.1136/gut.22.4.339 [PDF] [Request Permissions]
	Radiographic Atlas of Colon Disease Kelsey Fry Gut 1981; 22: 339-340. doi:10.1136/gut.22.4.339-a [PDF] [Request Permissions]
	Notebook of Medical Physiology: Gastrointestinal with Aspects of Total Parenteral Nutrition R P Walt Gut 1981; 22: 340. doi:10.1136/gut.22.4.340 [PDF] [Request Permissions]
	Nutrition and its Disorders K W Heaton Gut 1981; 22: 340. doi:10.1136/gut.22.4.340-a [PDF] [Request Permissions]