background: it is hypothesized that poor zinc nutritional status is associated with an increased risk of esophageal cancer (ec), but current evidence is contradictory. since some factors may influence zinc absorption, its status may be better evaluated thorough biomarkers. the objectives of this study were to perform a systematic review on the association of zinc biomarkers with ec in observati...

spine surgery began its evolution in the beginning of the 19th century in order to reach nowadays the point of being considered an important subspecialty of neurosurgery and orthopaedics. the purpose of this historical review is the search and evaluation of the progress in spine surgery in the second half of the 20th century. this review concerns the evolution of this field in greece. special r...

background : since albumin imposes a relatively high cost to a healthcare system, drug use evaluation for this drug is much more important. this study wants to evaluate pattern of albumin use in a large university affiliated hospital in tehran, iran. methods : a concurrent, cross-sectional study was performed in “shaheed rajaei” cardiovascular, medical and research center. all inpatient adults ...

conclusions this review was to focus on the roles of ascs in different applications and also provide the researcher general information about the history and current applications of ascs. we found that the ascs have a potential role to be used for the treatment of different sorts of disorders, with the less side effects and is also a new approach toward new remedies. context after about 40 year...

background: despite more than a decade experience of annual student congresses in iran, major scientific writing weakness still exists in students’ abstracts submitted to the annual research congress of iran’s medical sciences students (arcimss). assessment of these abstracts can provide information on common scientific writing errors and subsequent development of abstract quality for the futur...

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papaver bracteatum lindly (papaveraceae) is an endemic species of iran which has economic importance in drug industries. the main alkaloid of the plant is thebaine which is used as a precursor of the semi-synthetic and synthetic compounds including codeine and naloxone, respectively. this systematic review focuses on main component of papaver bracteatum and methods used to determine thebaine. a...

objectives the research question addressed by this paper is, “what are the characteristics and findings of studies on workplace violence against emergency medical services personnel”? data sources a systematic literature review was conducted using online databases (pubmed, scopus, google scholar, and magiran) with the help of experienced librarians. study selection inclusion criteria comprised ...

plagiarism is a serious debate in scientific community and in recent years has been in the center of interest in academic and scientific communities. plagiarism is considered as an unethical and improper act, because it constitutes theft from an intellectual work. self-plagiarism is considered as a sort of plagiarism and is defined as an improper release of information as a new idea, or using m...

objective herpes simplex virus (hsv), one of the most common sexually transmitted disease is a worldwide .this study aimed to prevalence of herpes simplex virus of pregnancy in iran. methods: we searched pubmed, scopus, ovid, science direct and national databases were searched: magiran, iranmedex and science information database (sid) up to october 2015.eventually, we included five studies that...