abstract some agricultural fields of razevi and north khorasan provinces were sampled for identification and resistance to metalaxyl of pythium ultimum species isolates. isolation was done between years of 2007 to 2009. van der plaats- niterink key to species of pythium and specific its region of rdna were used for morphological and molecular identification respectively. micrometric characteris...

background: to determine the sensitivity, specificity, positive predictive value (ppv), and negative predictive value (npv) of the national vision screening program for 7 yr old children in iran. methods: in this cross-sectional study, eight cities in iran were selected through multistage cluster sampling. selected cities were sari, birjand, ardabil, mashhad, bandar abbas, dezful, yazd, and ara...

background: considering that elisa method presently is the test of choice for diagnosis of fasciolo­sis, the present study was undertaken to evaluate the maximum validity of coated plates at dif­ferent temperatures and different times during one year of evaluation. methods: serum samples of patients infected with fasciolosis (n=10), hydatidosis (n=5), toxocaria­sis (n=5), and negative control s...

meningitis is one of the most important causes of infant mortality and its early and proper diagnosis is of great importance, but there are currently no laboratory facilities optimized and fast in detection of meningitis pathogens. the current standard of bacterial meningitis diagnosis is microscopic examination and cerebrospinal fluid (csf) culture. this research aimed at isolating the most co...

conclusions due to the increasing resistance of pathogens to usual empirical antibiotics, it is reasonable to stress upon preventive measures, so that a minimum number of neonates develop sepsis. results coagulase-negative staphylococci (cons) were the most prevalent pathogens isolated from blood specimens in early and late-onset disease. escherichia coli and klebsiella were the most causative ...

hyperbilirubinemia is a common problem in neonates and causes serious complications. thus, serial measurements of bilirubin should be done. this assessment is done through two methods of laboratory measurement in serum sample and transcutaneous bilirubinometer. this descriptive study compared transcutaneous bilirubin assessment and laboratory serum bilirubin. bilirubin level was assessed among ...

gluten associated disorders and the question around these associations has recently attracted attentions of many health professionals. this is because of high prevalence of undiagnosed gluten related disorders presenting with a multitude of symptoms and complications inside and outside small bowel. while the environmental factors associated with a complex genetics are leading to destructions of...

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