750 required to kill the tumor while in the case of neutron rays only = 2.9 times the 260 mouse lethal dose produces the same tumor effect. This comparison of dosage ratios indicates that neutron rays may be more selective than x-rays in their effects on this tumor. We are indebted to Dr. Francis Carter Wood for specimens of Sarcoma 180, and to Dr. R. S. Stone for his interest and for the x-ray...

To assist users through contemporary mobile technology is demanded in a multitude of scenarios. Interestingly, more and more users crave for mobile assistance in their leisure time. Consequently, the number of mobile applications that support leisure activities increases significantly. Mobile augmented reality applications constitute an example for user assistance that is welcome in these scena...

background: clinical education is a critical and complex component of nursing education that is influenced by many variables. one of them is stress, which may disturb students’ learning, too. stressors may differ according to the learning situation and environment, and recognizing them, seems to be essential for corrective interventions. the present work was performed to identify stressors in c...

background: anemia is the most common blood disorder observed in vulnerable groups and affects their efficiency in their everyday activities. possible complications of the disease may be reduced or prevented by screening of patients. screening programs impose certain costs upon the health system, which may offset their positive effects. whether the positive impacts of screening outweigh its cos...

aims: intellectual disability is a condition characterised by the inability of a person to undertake normal psychological activities. the purpose of this study was to systematically review the intellectual disability in children and discuss the implications of different environmental and genetic factors, which describe particular categories of intellectual disable cases. information & methods: ...

objective(s)staphylococcus aureus is a prevalent pathogen worldwide. methicillin resistant s. aureus (mrsa), which is usually multi-resistant in hospitals, has been a daunting challenge for clinicians for more than half a century. the aim of this systematic review and meta-analysis is to determine the relative frequency (rf) of mrsa in different regions of iran.materials and methodssearch terms...

breast cancer is the leading cause of malignancy among women. screening using mammography is proposed as an effective intervention for reducing early deaths due to breast cancer. we conducted a systematic review to assess the cost-effectiveness of such screening programs. we searched medline, scopus and google scholar and complemented it by other searches using sensitive search terms from 1993-...

mirnas are endogenous small noncoding rnas that can regulate many cellular processes. different expression levels of several mirnas have been detected in glioblastomas. function of mirnas and targets have been well studied in recent years. according to these studies, the role of mirnas in glioblastoma pathogenesis have been defined. mirnas have affected many processes in gbm such as apoptosis, ...

how to cite this article: sayemiri k, tavan h, sayemiri f, mohammadi i, carson kv. prevalence of epilepsy in iran : a meta-analysis and systematic review. iran j child neurol. 2014 autumn; 8(4):9-17. abstract objective epilepsy is one of the most common diseases in iran contributing to an array of health problems. in light of this, the aim of the present study is to examine the prevalence of ep...

background: catheter ablation is widely used for treatment of atrial fibrillation. the use of fluoroscopic and non-fluoroscopic mapping systems in catheter ablation is common. this study conducted to investigate the safety and effectiveness of navx non-fluoroscopic mapping system.   methods : in this study, the appropriate electronic databases including cochrane library and ovid medline searche...