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	1.	Campylobacter colitis: unique colonoscopic findings mimicking carcinoma of the transverse colon. [electronic resource] by Panitch, N M Piken, E Producer: 19830421 In: Gastrointestinal endoscopy vol. 29 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	2.	Decreased hepatic microsomal reserve in patients with cirrhosis. Studies using aminopyrine as model drug. [electronic resource] by Piken, E Hepner, G W Producer: 19800128 In: The Journal of laboratory and clinical medicine vol. 94 Availability: No items available. Save to lists Add to cart (remove)
	3.	Abnormal aminopyrine metabolism in patients with chronic hepatitis. [electronic resource] by Hepner, G W Piken, E Lechago, J Producer: 19810922 In: The Western journal of medicine vol. 134 Availability: No items available. Save to lists Add to cart (remove)
	4.	Discordant occurrence of ulcerative colitis in identical twins. [electronic resource] by Qazi, Q H Piken, E Fierst, S Producer: 19731002 In: Gastroenterology vol. 65 Availability: No items available. Save to lists Add to cart (remove)
	5.	Gastric candidiasis. [electronic resource] by Piken, E Dwyer, R Zablen, M A Producer: 19781227 In: JAMA vol. 240 Availability: No items available. Save to lists Add to cart (remove)
	6.	Detection of carcinogen-induced stimulation of cytochrome P-448-associated enzymes by 14CO2 breath analysis studies using dimethylaminoazobenzene. [electronic resource] by Hepner, G W Piken, E P Producer: 19790324 In: Gastroenterology vol. 76 Availability: No items available. Save to lists Add to cart (remove)
	7.	The value of endoscopic pancreatography in the diagnosis of pancreatic pleural effusion: direct demonstration of pancreaticopleural fistula. [electronic resource] by Panitch, N Piken, E Hanelin, L Grinker, J Producer: 19820917 In: The American journal of gastroenterology vol. 77 Availability: No items available. Save to lists Add to cart (remove)
	8.	Investigation of a patient with Hodgkin's disease and cholestasis. [electronic resource] by Piken, E P Abraham, G E Hepner, G W Producer: 19790901 In: Gastroenterology vol. 77 Availability: No items available. Save to lists Add to cart (remove)