Traditional biological and biochemical studies deal with relatively few components, allowing intuitive reasoning to guide hypotheses and experiments. For example, a popular experimental protocol in cardiovascular research is to examine gene functions through the use of transgenic or genetargeted mice. Although clearly informative, it is becoming increasingly clear that such studies alone are no...

background: the prevalence of diabetes mellitus among iranian aged 25-64 estimated to be about 7.7%. the aim of current study was the assessment of socioeconomic status of diabetic patients and their complications. methods: a cross sectional study was conducted on type 2 diabetic patients with complications in four major teaching hospitals affiliated to tehran university of medical sciences (tu...

background: the basic requirements for monitoring anesthetized patients during surgery are assessing cardiac and respiratory function. esophageal stethoscopes have been developed for this purpose, but these devices may not provide clear heart and lung sound due to existence of various noises in operating rooms. in addition, the stethoscope is not applicable for continues monitoring, and it is u...