background and aims. infection control is an important issue in dentistry, and the dentists are primarily responsible for observing the relevant procedures. therefore, the present study evaluated knowledge, attitude, practice, and status of infection control among iranian dentists through systematic review of published results. materials and methods. in this systematic review, the required data...

background: providing an appropriate background is essential for necessary changes and innovation in the higher education, the need to review the classification criteria and development of the type of native criteria and local standards which match the cultural and scientific requirements of the country. investigating the possible types of indicators to adjusted accurately and objectively is im...

—The potential of the ichnofossil record for exploring the evolution of behavior has never been fully realized. Some of this is due to the nature of the trace fossil record itself. Equally responsible is the separation of ichnology from the relevant areas of modern behavioral biology. The two disciplines have virtually no concepts, methods, or literature in common. The study of animal behavior ...

The Enugu Formation is a member of the Nkporo Group, and forms part of the basal stratigraphic unit of the Anambra Basin in south-eastern Nigeria. The Enugu Formation has been the subject of many studies concerning stratigraphy [1], depositional environments [2; Onuigbo et al. [3], organic geochemistry [4-6], paleoecology [7], palynology [7-9] and ichnology [10]. Nwajide & Reijers [2] were the ...

helicobacter pylori (h. pylori) is a spiral-shaped gram negative bacterium that naturally colonizes the human gastric epithelium. in recent years, large evidence has come to the literature strongly proposing causal link between h. pylori and extra gastric disorders. cardiovascular system is one of the extra gastric organs that can be affected by h. pylori infection. the first evidence suggestiv...

background recently there has been a significant increase in the number of systematic reviews addressing questions of prevalence. key features of a systematic review include the creation of an a priori protocol, clear inclusion criteria, a structured and systematic search process, critical appraisal of studies, and a formal process of data extraction followed by methods to synthesize, or combin...

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...

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...

High tibia osteotomy is a common procedure in orthopedic surgery. A precise overview on indications, patients selection, pre-operative planning, surgical technique, methods of fixation, and complications have been presented. This paper focused on the points that should be considered to achieve good long-term outcomes. High tibia osteotomy is a common procedure in orthopedic surgery. A precise o...