Items where Author is "Khalfalla, Osman"
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Article
Mohammed, Moawia and Suliman, Omer and Khalfalla, Osman (2015) Association between Helicobacter pylori Infection, ABO Blood Groups and Rhesus Factor in Peptic Ulcer Disease Patients, in Gezira, Central Sudan. British Journal of Medicine and Medical Research, 7 (1). pp. 11-16. ISSN 22310614