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	1.	Colonoscopy in the investigation of colonic diseases. [electronic resource] by Kassa, E Producer: 19970213 In: East African medical journal vol. 73 Availability: No items available. Save to lists Add to cart (remove)
	2.	Periampullary tumours: report of two cases. [electronic resource] by Kassa, E Producer: 19960925 In: East African medical journal vol. 73 Availability: No items available. Save to lists Add to cart (remove)
	3.	Endoscopic injection sclerotherapy of bleeding oesophageal varices: a retrospective analysis. [electronic resource] by Kassa, E Producer: 19971002 In: Ethiopian medical journal vol. 35 Availability: No items available. Save to lists Add to cart (remove)
	4.	Preliminary experience with endoscopic retrograde cholangiopancreatography in Ethiopia. [electronic resource] by Kassa, E Assefa, G Taye, M Taye, M Producer: 20020927 In: Ethiopian medical journal vol. 37 Availability: No items available. Save to lists Add to cart (remove)
	5.	Comparison of diagnostic methods for detection of Helicobacter pylori. [electronic resource] by Kassa, E Tsega, E Gebre, W Producer: 19960910 In: East African medical journal vol. 73 Availability: No items available. Save to lists Add to cart (remove)
	6.	Prevalence of Helicobacter pylori infection among adult dyspeptic patients in Ethiopia. [electronic resource] by Asrat, D Nilsson, I Mengistu, Y Ashenafi, S Ayenew, K Al-Soud, W Abu Wadström, T Kassa, E Producer: 20040513 In: Annals of tropical medicine and parasitology vol. 98 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	7.	Sexual behaviours, perception of risk of HIV infection, and factors associated with attending HIV post-test counselling in Ethiopia. [electronic resource] by Sahlu, T Kassa, E Agonafer, T Tsegaye, A Rinke de Wit, T Gebremariam, H Doorly, R Spijkerman, I Yeneneh, H Coutinho, R A Fontanet, A L Producer: 19990916 In: AIDS (London, England) vol. 13 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	8.	Evaluation of the World Health Organization staging system for HIV infection and disease in Ethiopia: association between clinical stages and laboratory markers. [electronic resource] by Kassa, E Rinke de Wit, T F Hailu, E Girma, M Messele, T Mariam, H G Yohannes, S Jurriaans, S Yeneneh, H Coutinho, R A Fontanet, A L Producer: 19990713 In: AIDS (London, England) vol. 13 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)
	9.	Daily adjunctive therapy with vitamin D [electronic resource] by Bekele, A Gebreselassie, N Ashenafi, S Kassa, E Aseffa, G Amogne, W Getachew, M Aseffa, A Worku, A Raqib, R Agerberth, B Hammar, U Bergman, P Aderaye, G Andersson, J Brighenti, S Producer: 20190927 In: Journal of internal medicine vol. 284 Online resources: Available from publisher's website Availability: No items available. Save to lists Add to cart (remove)