results we included 20 articles in our meta-analysis. the pooled hbsag prevalence in children of e and m countries was 2.73% (95% ci: %1.73% - 3.72%). the prevalence rates in the emro and middle eastern countries were 1.85% (95% ci: 1.27% - 2.43%) and 2.66% (95% ci: 1.31% - 4.01%), respectively. the prevalence rates amongst children in nations considered in more than one study were 0.81% (95% c...

conclusions in this study, phylogenetic reconstruction of hcv-1 sequences clearly indicated for molecular tracing and ancestral relationships of the hcv genotypes in iran, and showed the likelihood of domestic origin for hcv-1a and various origin for hcv-1b. evidence acquisition the phylogenetic analyses were performed based on the nucleotide sequences of ns5b gene of hcv genotype 1 (hcv-1), wh...

the present article is a review of a palaeobiogeographic analysis of jurassic ostracods from east africa, india and madagascar and includes also some general remarks on palaeobiogeography, biodiversity and ostracod ecology.the palaeobiogeographic study shows the high significance of this microfossil group for the reconstruction of palaeogeographic processes, particularly plate tectonic developm...

This paper examines the possible choices and energy security plans of China, focusing on its relations with I.R Iran and Saudi Arabia in the Middle East. Needless to say, these two rival countries in the region are both among the top oil producers of the world and China has deep and old cooperation with both countries. Meanwhile in its new strategy, China tries to establish a kind of balance am...