نتایج جستجو برای: northeast iran
تعداد نتایج: 121403 فیلتر نتایج به سال:
BACKGROUND Hepatitis delta virus (HDV) is dependent on the hepatitis B virus for transmission and propagation. Based on isolated HDV sequences from different parts of the world, at least three major different genotypes with different geographic distributions are suggested. Studies have shown that genotype 1 is the predominant genotype of HDV in different parts of Iran; however, the genotype dis...
Objectives: Association of silica with diseases like cancers has been determined previously. This study was designed to determine the quantity of silis in flour produced in Golestan province and its relation to the esophageal cancer. Methodology: We took flour samples from all flour mills in Golestan province. Base-melting method in nickel cruise was used in 550°c; the extract was reduced with ...
BACKGROUND Leishmaniasis is an important public health disease in many developing countries as well in Iran. The main objective of this study was to investigate on leishmania infection of wild caught sand flies in an endemic focus of disease in Esfarayen district, north east of Iran. METHODS Sand flies were collected by sticky papers and mounted in a drop of Puri's medium for species identifi...
Throughout the world, many migrant and mobile populations are at elevated risk for HIV. Iran has a large immigrant population from neighboring Afghanistan; however, few data exist on the prevalence of HIV in this community. In 2008, we conducted a study to assess the presence of HIV infection among 477 immigrants in a town to the northeast of Tehran using a rapid test in the field. HIV prevalen...
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