background: we are living in an era in which different branches of science are growing very rapidly. therefore, retrieving and summarizing all new valid findings on a specific subject is one of the most important priorities of scientists. the aim of the present article is to categorize different review studies within the health domain based on their approach to retrieving and summarizing origin...

stem cell therapy has been applied for the treatment of degenerative diseases encompassing corneal disorders.this consideration is regarding the unique characteristics of stem cells including self-renewal and pluripotency. some corneal diseases result from deficiencies in the limbal region. in these conditions, limbal stem cell therapy is considered in which limbal stem cells are cultured in vi...

student organizations are active at social, political, cultural and welfare areas of student life. they have individual and systematic functions in those areas of student life. they have individual and systematic functions in that area too. their presence in university is necessary. this article describes their important functions. student organizations are active at social, political, cultural...

During the past .. years, non-invasive .rain stimulation has .ecome an emerging .eld in clinical neuroscience due to its capability to transiently modulate corticospinal excitability, motor and cognitive functions. .hereas transcranial magnetic stimulation has .een used e.tensively since more than t.o decades ago as a potential .neuromodulator., transcranial current stimulation .tCS. has more r...

purpose every sport has a unique profile of injury and risk of injury. in recent years, there have been numerous attempts at conducting injury prevention trials for specific injuries or for injuries within specific sports to provide evidence useful to the sports medicine and sport community. football has been a focus of a number of randomized injury prevention trials. methods medline was search...

objectives: bloating is a common and bothersome gastrointestinal symptom. despite its high prevalence, associated costs, and effects on the quality of life, very few studies have reported the epidemiology of bloating in iran. through this systematic review, findings and limitations of the current research will be discussed. methods: in march 2012, we searched pubmed, google scholar, scientific ...

background: to correct patient positioning errors (setup errors) during prostate cancer treatment using epid and fiducial gold markers, to improve the accuracy of the dose delivery in these patients. materials and methods: fifteen patients with localized prostate carcinoma after implantation of fiducial gold markers in their prostate gland underwent the five-field imrt planning technique. the p...

background. regarding the lack of comprehensive systematic review on the efficacy of water fluoridation and prevalence of dental fluorosis, the aim of the current research was to systematically study the prevalence of dental fluorosis at different levels of water fluoride in the world and lay emphasis on the amount of fluoride in drinking water. methods. studies were searched in pubmed, scopus,...

background and aims. infection control is an important issue in dentistry, and the dentists are primarily responsible for observing the relevant procedures. therefore, the present study evaluated knowledge, attitude, practice, and status of infection control among iranian dentists through systematic review of published results. materials and methods. in this systematic review, the required data...

background: providing an appropriate background is essential for necessary changes and innovation in the higher education, the need to review the classification criteria and development of the type of native criteria and local standards which match the cultural and scientific requirements of the country. investigating the possible types of indicators to adjusted accurately and objectively is im...