Research Article

	Gastro-oesophageal reflux and asthma; a common association, but of what clinical importance? J M Goldman and J R Bennett Gut 1990; 31: 1-3. doi:10.1136/gut.31.1.1 [PDF] [Request Permissions]
	Mechanisms of acid reflux associated with cigarette smoking. P J Kahrilas and R R Gupta Gut 1990; 31: 4-10. doi:10.1136/gut.31.1.4 [Abstract] [PDF] [Request Permissions]
	Bismuth subsalicylate reduces peptic injury of the oesophagus in rabbits. H P Tay, R C Chaparala, J W Harmon, J Huesken, N Saini, F Z Hakki, and E J Schweitzer Gut 1990; 31: 11-16. doi:10.1136/gut.31.1.11 [Abstract] [PDF] [Request Permissions]
	Effects of postganglionic nerve stimulation in oesophageal achalasia: an in vitro study. A Tlottrup, A Forman, P Funch-Jensen, U Raundahl, and K E Andersson Gut 1990; 31: 17-20. doi:10.1136/gut.31.1.17 [Abstract] [PDF] [Request Permissions]
	Effects of cisapride on parameters of oesophageal motility and on the prolonged intraoesophageal pH test in infants with gastro-oesophageal reflux disease. S Cucchiara, A Staiano, A Boccieri, M De Stefano, C Capozzi, G Manzi, F Camerlingo, and F M Paone Gut 1990; 31: 21-25. doi:10.1136/gut.31.1.21 [Abstract] [PDF] [Request Permissions]
	Effect of bismuth subcitrate and sucralfate on rat duodenal and human gastric bicarbonate secretion in vivo. C J Shorrock, A Garner, A H Hunter, J R Crampton, and W D Rees Gut 1990; 31: 26-31. doi:10.1136/gut.31.1.26 [Abstract] [PDF] [Request Permissions]
	Studies of intestinal lymphoid tissue. XIV--HLA status, mucosal morphology, permeability and epithelial lymphocyte populations in first degree relatives of patients with coeliac disease. M N Marsh, I Bjarnason, J Shaw, A Ellis, R Baker, and T J Peters Gut 1990; 31: 32-36. doi:10.1136/gut.31.1.32 [Abstract] [PDF] [Request Permissions]
	Interval sampling of end-expiratory hydrogen (H2) concentrations to quantify carbohydrate malabsorption by means of lactulose standards. J J Rumessen, O Hamberg, and E Gudmand-Høyer Gut 1990; 31: 37-42. doi:10.1136/gut.31.1.37 [Abstract] [PDF] [Request Permissions]
	Diarrhoea of famine and malnutrition: investigations using a rat model. 1. Jejunal hypersecretion induced by starvation. A Young and R J Levin Gut 1990; 31: 43-53. doi:10.1136/gut.31.1.43 [Abstract] [PDF] [Request Permissions]
	Eosinophilic gastroenteritis: a clinicopathological study of patients with disease of the mucosa, muscle layer, and subserosal tissues. N J Talley, R G Shorter, S F Phillips, and A R Zinsmeister Gut 1990; 31: 54-58. doi:10.1136/gut.31.1.54 [Abstract] [PDF] [Request Permissions]
	B12 binding proteins. G Neale Gut 1990; 31: 59-63. doi:10.1136/gut.31.1.59 [PDF] [Request Permissions]
	Factors affecting the potassium concentration at the mucosal surface of the proximal and the distal colon of guinea pig. U Kück-Biere and W von Engelhardt Gut 1990; 31: 64-69. doi:10.1136/gut.31.1.64 [Abstract] [PDF] [Request Permissions]
	Identification of laminin binding proteins in cell membranes of a human colon adenocarcinoma cell line. A Stallmach, D Schuppan, J Dax, C Hanski, and E O Riecken Gut 1990; 31: 70-76. doi:10.1136/gut.31.1.70 [Abstract] [PDF] [Request Permissions]
	Diagnostic value of the Manning criteria in irritable bowel syndrome. N J Talley, S F Phillips, L J Melton, C Mulvihill, C Wiltgen, and A R Zinsmeister Gut 1990; 31: 77-81. doi:10.1136/gut.31.1.77 [Abstract] [PDF] [Request Permissions]
	Osteoporosis and skeletal fractures in chronic liver disease. T Diamond, D Stiel, M Lunzer, M Wilkinson, J Roche, and S Posen Gut 1990; 31: 82-87. doi:10.1136/gut.31.1.82 [Abstract] [PDF] [Request Permissions]
	Low molecular weight IgM in primary biliary cirrhosis. P J Roberts-Thomson and K Shepherd Gut 1990; 31: 88-91. doi:10.1136/gut.31.1.88 [Abstract] [PDF] [Request Permissions]
	Effect of gastrin on liver regeneration after partial hepatectomy in rats. T N Rasmussen, P E Jørgensen, T Almdal, S S Poulsen, and P S Olsen Gut 1990; 31: 92-95. doi:10.1136/gut.31.1.92 [Abstract] [PDF] [Request Permissions]
	Raised histamine concentrations in chronic cholestatic liver disease. S D Gittlen, E S Schulman, and W C Maddrey Gut 1990; 31: 96-99. doi:10.1136/gut.31.1.96 [Abstract] [PDF] [Request Permissions]
	Quantitative ultrastructural studies of gall bladder epithelium in gall stone free subjects and patients with gall stones. S Sahlin, J Ahlberg, K Einarsson, R Henriksson, and A Danielsson Gut 1990; 31: 100-105. doi:10.1136/gut.31.1.100 [Abstract] [PDF] [Request Permissions]
	Non-invasive method for delivery of tracer substances or small quantities of other materials to the colon. A Chacko, K F Szaz, J Howard, and J H Cummings Gut 1990; 31: 106-110. doi:10.1136/gut.31.1.106 [Abstract] [PDF] [Request Permissions]
	Grains of truth: evolutionary changes in small intestinal mucosa in response to environmental antigen challenge. M N Marsh Gut 1990; 31: 111-114. doi:10.1136/gut.31.1.111 [PDF] [Request Permissions]
	The British Society of Gastroenterology early gastric cancer/dysplasia survey: an interim report. F T de Dombal, A B Price, H Thompson, G T Williams, A G Morgan, A Softley, S E Clamp, and B J Unwin Gut 1990; 31: 115-120. doi:10.1136/gut.31.1.115 [Abstract] [PDF] [Request Permissions]

Letter

	Acute diarrhoea in expatriates in Bangladesh. J K Ramage, A R Miller, and P D Clarke Gut 1990; 31: 123. doi:10.1136/gut.31.1.123 [PDF] [Request Permissions]
	Peptic ulcer in India. F I Tovey and A P Jayaraj Gut 1990; 31: 123-124. doi:10.1136/gut.31.1.123-b [PDF] [Request Permissions]
	Short bowel syndrome and somatostatin 201-995. J C Rambaud Gut 1990; 31: 124. doi:10.1136/gut.31.1.124 [PDF] [Request Permissions]

Letters to the Editor

	Reply F P L Van Loon Gut 1990; 31: 123. doi:10.1136/gut.31.1.123-a [PDF] [Request Permissions]
	Reply M S Khuroo and Sher-I-Kashmir Gut 1990; 31: 123-124. doi:10.1136/gut.31.1.123-c [PDF] [Request Permissions]
	Reply Karin Ladefoged and Knud C Christensen Gut 1990; 31: 124. doi:10.1136/gut.31.1.124-a [PDF] [Request Permissions]