background: triple-course vaccination against hepatitis b might sometimes fail to increase antibody titers or maintain it at sufficient levels. the aim of this study was to evaluate the rate of seroprotection in dental students after receiving recombinant hepatitis b vaccine.     methods: anti-hbs levels of 124 dental students who had received triple-course hepatitis b vaccines (scheduled at mo...

Prior research documents significant negative long-term stock returns following bond-rating downgrades. Some downgraded firms are placed on credit watches before downgrades, and we find that the post-downgrade stock underperformance of such firms is significantly reduced. We explore two explanations for the difference in post-downgrade stock performance that are not mutually exclusive: (a) a cr...

BACKGROUND Urine-bilirubin measurement is common in urinalysis dipsticks, which are known to yield a high rate of false positive results. We evaluated the usefulness of this test after multiple physicians in our system reported that they do not act on positive dipstick urine bilirubin findings. METHODS We queried past records to determine how many samples with positive urine bilirubin results...

In this study it has been initiated to find out the credit strength and financial performance of cement industries in Bangladesh through investigating the financial report for the period from 2007 to 2011. Financial ratios are employed to measure the Liquidity (Working capital to Total Assets), Profitability (Retained Earnings to Total Assets), Efficiency (Earnings before Interest and Taxes to ...

Objective(s): The increasing rate of over using cell phones has been considerable in youths and pregnant women. We examined the effect of mobile phones radiation on genes expression variation on cerebellum of BALB/c mice before and after of the birth. Materials and Methods: In this study, amobile phone jammer, which is an instrument to prevent receiving signals between cellular phonesand base t...