background: it is estimated that about 370 million people are chronic carriers of hbv worldwide. apparently 3% of iranian populations are chronic carriers of this virus. we aimed to evaluate the viral dna in biological fluids of chronic hepatitis patients compared to a control group. methods: the current case-control study was designed to evaluate the viral dna in biological fluids of 70 chroni...

objectives: hearing impairment in children is considered as an important public health problem. auditory function in these children is poor and depends on their hearing aids efficacy and also their ears’ status. hearing aids are very expensive and ear disease deteriorates its performance. therefore detecting the ear disease and offering proper treatment is necessary. the aim of this study is to...

wo interesting articles from Harvard University investigators in this issue of Biological Psychiatry challenge us to reconsider and rethink the complexities of the underlying eurobiology of posttraumatic stress disorder (PTSD). We refer o these articles with a view to highlighting their unique contriutions to the literature and the new directions they motivate for ranslational research in PTSD ...

introduction: chronic otitis media (com), a persistent and durable inflammation and infection of the middle ear, is a common disorder. alterations in the contralateral ear in sufferers have been observed in recent years. because only a few studies have been reported in this area, we performed this study in order to assess alterations in the contralateral ear of patients with com.   materials an...

in order to study the effect of sowing date and plant density on ear of sweet corn an experiment was conducted in gorgan reaserch station since june 2001 during 3 years. in this experiment five sowing date (24th june, 9th july, 24th july, 18th agust and 23th agust) and four plant density (45000, 55000, 65000 and 75000 plant per hectar) were evaluated in form of factorial experiment (5×4) within...

considering importance of baby corn as a new food, this study was conducted to evaluate effect of different sowing date; planting density and harvest methods on growth and yield of baby corn ksc403su varieties in agricultural research center and natural resources of khorasan razavi province during on 2007-2008. was considered at three levels of sowing date (14th  june, 3th  july, 24th july) as ...

In this paper, the bisexual branching process in varying environments introduced in [9] is considered and some sufficient conditions for the existence of positive probability of non-extinction are established.