introduction: intraoperative radiation therapy device (iort) is one of the several options for partial breast irradiation. iort is sent to the tumor bed during surgery and can be replaced with conventional standard therapy (ebrt). the aim of this study was to evaluate the safety and effectiveness of iort machine compared with ebrt and to determine the dominant option in terms of the cost-effect...

this world; though all the discussions are focused on the causal relationships in allthe scientific arguments. one of the methods to study the designed causal relationshipsobjectively is granger causality test. this paper aims to investigate the longtermcausal relationship between the stock price and dividends. the statisticalpopulation includes 180 active companies in stock exchange of tehran ...

abstract: in contrast to traditional reviews, systematic reviews explore theliterature on a specific topic comprehensively using a well-defined protocol and recruit the findings of eligible studies after the assessment of their qualities, using a clear and reproducible method. checking the assumptions, we may merge the findings of recruited studies in a systematic review and use metaanalysis te...

conclusions in conclusion, toxicological studies showed that, although contamination level in caspian sea fishes was relatively low, the present status might pose a risk about food chain contamination. results the review showed that nine studies were recorded in databases about pesticide residues in caspian sea fish tissues. these studies reported that there is limited evidence of organochlorin...

noise-induced hearing loss, which is one of the 10 leading occupational diseases, is a debilitating and irreversible disease. during the recent 15-years period (1997-2012), several studies have investigated the association between noise, hearing damage and other side effects of noise in iran. the aim of this study was to review systematically the relevant literature related to noise-induced hea...

background and aim: pediatric obesity and overweight have become worldwide epidemics. iran is not an exemption in this regard. in the last decade, numerous studies have been conducted in iran in relation to obesity in children, and an increasing rate of obesity has been reported in the iranian context. some of these studies have included an extensive domain covering several provinces, while oth...

the main purpose of this research is to describe emergent approach of grounded theory methodology and then compare it with systematic approach. to do so, after describing emergent approach, it compare it with systematic one surrounding 5 axis: coding processes; sampling processes; paradigms; literature review and rigor considerations. the findings show that emergent approach in comparison with ...

because studies found not relevant to research question (n=353) Records screened (n=103) Records excluded (n=45) Data not extractable (1)

Background: A systematic review of evaluations of innovative eHealth implementations was funded by the New Zealand Ministry of Health to inform information strategy. A key trend of interest to the Ministry was person-centered healthcare, including systems where health consumers use health information technology (IT) directly. Herein we report, analyze and reflect on the review findings with res...

Evidence acquisition: A systematic review was conducted (search period, January 1980 through February 2012) to identify economic evaluations of 12 interventions recommended by the Task Force. Evidence was drawn from included studies; estimates were constructed for the population reach of each strategy, cost of implementation, and cost per additional vaccinated person because of the intervention...