نتایج جستجو برای: 2009 years then
تعداد نتایج: 1807292 فیلتر نتایج به سال:
Hepatitis E — Continued Outbreaks of hepatitis E (i.e., enterically transmitted non-A, non-B hepatitis) have occurred in some parts of the world and have generally been related to contaminated water supplies. Until recently, when research-based serologic tests ( 1,2 ) were developed to test for antibody to hepatitis E virus (anti-HEV), no serologic test was available to identify HEV infection, ...
Background: Head lice infestation is one of the most common parasitic infections with a long history in the world . The purpose of this study was to determine the prevalence of head lice infestation among 3-6 years old children going to nursery schools in Kashan, Iran in 2009. Materials and Methods: This cross-sectional study was performed on 1200 children having the age range ...
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