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山东大学医学院医学微生物学英文课件 Hepatitis virus。
Prevalence of Hepatitis B Infection among Schoolchildren in Southeast Turkey
Hepatitis B prevalence vaccine
2009/5/21
Aim: Hepatitis B virus (HBV) infection is a worldwide health problem. The objectives of this study were to determine the impact of the Expanded Programme on Immunization (EPI) on the prevalence of HBs...