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	1.	Cholestyramine in postvagotomy syndrome. Preliminary report. [electronic resource] by Ayulo, J A Producer: 19720628 In: The American journal of gastroenterology vol. 57 Availability: No items available. Save to lists Add to cart (remove)
	2.	Rapid duodenal intubation employing a wire guide. [electronic resource] by Ayulo, J A Producer: 19710202 In: The American journal of digestive diseases vol. 15 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	3.	Hiatus hernia. A review. [electronic resource] by Ayulo, J A Producer: 19730321 In: The American journal of gastroenterology vol. 58 Availability: No items available. Save to lists Add to cart (remove)
	4.	Carcinoid tumors of the gastrointestinal tract. [electronic resource] by Ayulo, J A Producer: 19690515 In: The American journal of gastroenterology vol. 51 Availability: No items available. Save to lists Add to cart (remove)
	5.	B-glucuronidase in gastric secretions. [electronic resource] by Ayulo, J A Forrest, G L Producer: 19750218 In: The American journal of gastroenterology vol. 62 Availability: No items available. Save to lists Add to cart (remove)
	6.	B-glucuronidase in duodenal secretions. [electronic resource] by Ayulo, J A Forrest, G L Producer: 19760108 In: The American journal of gastroenterology vol. 64 Availability: No items available. Save to lists Add to cart (remove)
	7.	Value of pancreatic-type isoamylase assay as an index of pancreatic insufficiency. [electronic resource] by Berk, J E Ayulo, J A Fridhandler, L Producer: 19790626 In: Digestive diseases and sciences vol. 24 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	8.	The diagnostic value of serum lysozyme activity in inflammatory bowel disease. [electronic resource] by Ayulo, J A Chen, C C Pelot, D Berk, J E Producer: 19771130 In: The American journal of gastroenterology vol. 68 Availability: No items available. Save to lists Add to cart (remove)