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APA Citation
Ayele, A. G., & Gebre-Selassie, S. (2013). prevalence and Risk Factors of Hepatitis B and Hepatitis C Virus Infections among Patients with Chronic Liver Diseases in Public Hospitals in Addis Ababa, Ethiopia. ISRN tropical medicine, 2013, . http://access.bl.uk/ark:/81055/vdc_100082258603.0x00000d