background : nasopharyngeal carcinoma (npc) is known as a highly distinct kind of head and neck cancer. this distinction is due to its clinical presentation, epidemiology, outcome, and treatment. there have not been any reports of epidemiological analysis of npc in iran. the aim of this study is to evaluate the incidence rates and trends of nasopharyngeal carcinoma in the iranian population dur...

introduction: appropriate thyroid hormone (th) levels are essential during the critical period of brain development, which is associated with the growth of axons and dendrites and synapse formation. in rats, oral motor circuits begin to reach to their adult pattern around 3 weeks after birth, the period in which alteration from sucking to biting and chewing occurs (weaning time). trigeminal mot...

introduction: olive leaf contains anti-inflammatory and cox-2 inhibitor compounds. considering the role of the cox enzyme in seizures, this research was performed to assess the effects of this extract in treatment of seizures induced by ptz. methods: in this research, male wistar rats (200±20 g) were injected intra-cerebroventricularly with 1 μl saline or olive leaf extract (125 μg, 250 μg and ...

objective: the study of the relationship between religious beliefs performance and life satisfaction among the elderly in sabzavar city. materials & methods: the data gathered about religious beliefs performance and also life satisfaction among the elderly by survey research and questionnaires in representative sample. the size of sample was 301old persons and the technique of sampling was clus...

Many publications describe cryopreservation techniques but only a few studies have focused on the biochemical and physiological changes occurring in plants regenerated from seeds exposed to liquid nitrogen. This paper aims at describing the effect of common bean seed cryostorage on mineral nutrition of young plantlets. The following elements were measured on leaves of 10-dayold plantlets from n...

abstract although flourishing research has been devoted to research on article abstracts, more studies are needed to unpack the relationship between rhetorical moves and their associated linguistic and rhetorical features (e.g., metadiscourse). to underpin this relationship, the current study analyzed a total of 60 research article abstracts written in english by two cultural groups in three di...

maruf al rosafi is one of the four great iraqi poets. the other three are al zahavi, al kazemi and al shabibi. he was born in baghdad, iraq in 1875. he had learned reading- writing and memorizing quran in traditional iraqi schools and then entered the army college. he could not deal with the courses so had started self studies and went to religious schools. his instructor, alus had motivated hi...

a historical novel is a form of story-like narrative which is a combination of story and history. accordingly, we cannot easily comment whether, within this framework, it is the history that isbeing focused on by the author—as all the story’s elements are employed in the service of the historian—or history simplyplays an incidental role at the back stage of the story. the best exampleof the mix...

introduction: recent evidence has indicated that statins can reduce the incidence of both supraventricular and ventricular arrhythmias with various mechanisms. the primary goal of the present study was to determine direct protective role of simvastatin in modifying concealed conduction and the zone of concealment in a simulated model of atrial fibrillation (af) in an isolated atrioventricular (...