dear editor multiple sclerosis (ms) is the most common inflammatory demyelinating disease of the central nervous system. ms is characterized by dissemination in time and place. dissemination can be clinically (clinically definite multiple sclerosis) or radiologically by magnetic resonance imaging (mri). correct diagnosis of ms needs dissemination both in time and in place and also exclusion of ...

Background: Variability in speech performance is a major concern for children with cochlear implants (CIs). Spectral resolution is an important acoustic component in speech perception. Considerable variability and limitations of spectral resolution in children with CIs may lead to individual differences in speech performance. The aim of this study was to assess the correlation between auditory ...

cross infections (cis) are considered as a major public health problem worldwide. they cause delay in recovery, increased mortality and morbidity. the purpose of this study is to report the incidence of cis in our teaching hospital during a 23-month period.in this descriptive cross-sectional study, 76766 patients from 2009 to 2011 admitted to 17 wards of imam reza hospital in mashhad were studi...

in this paper, absorption spectra of both solution and films of cyano azobenzene polymer are investigated. the analysis of overlapped absorption spectra of polymer, related to trans and cis isomers, shows that the population of cis isomers is higher than trans isomers. it means that, cyano azobenzene molecules have a folded structure in polymer, in thermal equilibrium. presence of cyano molecul...

Dried leaves of Eucalyptus camaldulensis were finely grinded and fractionated by sieving into four granulometric classes (355 μm). The obtained powder fractions used for essential oil (EO) extraction hydrodistillation their phytochemical profile in vitro antioxidant activities evaluated. mother (unsieved powder) was comparison. Particle size exerted a significant influence (p properties the EOs...