A simple device is described which both facilitates and significantly extends the scope of indirect ophthalmoscopy.

Background: The prevalence of autism spectrum disorder (ASD) as a child neurodevelopmental disorder has increased significantly during the past 3 decades worldwide and in Iran. This chronic disease does not cause premature death and there is no definitive treatment. Thus, the cost of ASD is extremely heavy and overwhelming. The purpose of this study is to calculate the economic burden of ASD in...

underground economy affects important indexes such as formal gdp, unemployment, consumption, production and etc. therefore it is necessary to identify elements and factors which affect underground economy to restrict it. surveys and studies indicate the size of iran’s underground economy is high and taxes, quantity and quality of regulations and performance of formal economy are the important f...

conclusions accidents resulting in death, total disability, and partial disability impose a huge cost burden on society, whereas the employer will bear a relatively low cost. this is because of society’s health, treatment, and welfare systems available for treatment and rehabilitation of injured employees and their families. background occupational accidents represent one of the major problems ...

background: ubi 29-41 (a derivative of antimicrobial peptide ubiquicidin) labelled with 99mtc is reported to discriminate between bacterial infections and sterile inflammatory processes. in this study, three lyophilized kit were performed, one of them based on the direct labelling with only sncl2 as reducing agent , and other two based on 6- hydrazinopyridine-3-carboxylic acid (hynic) and trici...