background: the present study assesses independent predictors of clinically important traumatic brain injury (citbi) in order to design a prognostic rule for identification of high risk children with mild head injury. materials and methods: in a retrospective cross-sectional study, 3,199 children with mild traumatic brain injury (tbi) brought to emergency ward of three hospitals in tehran, iran...

background following the implementation of family physician plan in rural areas, the quantity of provided services has been increased, but what leads on the next topic is the improvement in expected quality of service, as well. the present study aims at determining the gap between patients’ expectation and perception from the quality of services provided by family physicians during the spring a...

the current study presents a new analytical method for buckling analysis of rectangular and annular beams made up of functionally graded materials with constant thickness and poisson’s ratio. the boundary conditions of the beam are assumed to be simply supported and clamped. the stability equations were obtained by using conservation of energy. the critical buckling load and first mode shape we...

BACKGROUND Telepathology, which is an emerging form of telemedicine in Canada, is defined as the electronic transmission of pathological images, usually derived from microscopes, from one location to another. There are various applications of telepathology, including case referral for an expert opinion, provision of an emergency service in the absence of a resident pathologist, and education. U...

the primary focus of the present study is to review organization analysis models from the standpoint of marketing and to propose an appropriate model for information centers and entities. a detailed literature review is made concerning marketing concepts, principles and services with respect to information organizations. the second stage deals with review and study of information entities, thei...

background: high cesarean section rate is a major health problem in developing countries. this study was established to evaluate the effectiveness of iranian ministry of health and medical education protocols on cesarean section rate trend. methods: through a non-concurrent controlled quasi-experimental study, cesarean section rate in shohada-e-tajrish and taleghani hospitals in tehran was comp...

civil liability in electronic communications is one the most important issues of information and communications technology (ict) law. civil liability may be arisen from different causes such as copyright and trade mark infringement invasion of privacy and defamation. when discussing civil liability, two different civil liability systems may be considered: direct and indirect civil liability. in...

The paper has four sections. First section has an intro for the mobile payments requirements for a reliable service. Second section shows types and models of mobile payment service but not taking into account the service patterns and the electronic money systems. In section three as a case study is shown an author solution may be improved taking into account the security and ergonomic issues pr...