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The paper tests the relationship between trading volume and return volatility within the scope of Mixture of Distribution Hypothesis and Sequential Information Arrival Hypothesis in Istanbul Stock Exchange (ISE) by using intraday data for the period between 04.02.2005 to 30.04.2010. Two sub-samples are used to consider the effect of Global crisis. The results show that findings differ across two sub-samples. The findings support the Mixture of Distribution Hypothesis in pre-crisis period. However, the evidence is mixed in crisis period. Although we reject the Mixture of Distribution Hypothesis in crisis period, we can not strongly reject the Sequential Information Hypothesis.

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We retrospectively reviewed the medical records of the patients who presented to the Pediatrics Emergency Department in our hospital between May 2010 and May 2013 after sustaining an EI. The patients' data were investigated, including age, sex, location and form of exposure to electrical current, seasonal distribution, length Background/aim: To evaluate children who presented to the Pediatric Emergency Department with electrical injury and to discuss the follow-up of these cases and potential precautions that can be taken. Materials and methods:A total of 36 patients presented to the Pediatric Emergency Department with electrical injury between May 2010 and May 2013, and these cases were investigated retrospectively. The patients' age and sex, location and form of exposure to electric current, seasonal distribution, length of hospital stay, musculoskeletal and cardiovascular system complications, renal damage, and treatments were recorded. Results:The majority of the patients were exposed to low-voltage electrical current at home. When the patients were evaluated based on the type of electric current, alanine transaminase, aspartate transaminase, creatine kinase, and creatine kinase-myocardial isoenzyme levels were found to be significantly higher among patients who were exposed to high-voltage electric current. None of the patients died, and the mean length of hospital stay was 2.50 ± 1.06 days. Conclusion:Electrical injuries can present with a wide variety of problems, ranging from a simple injury to life-threatening severe multiple organ injury. Even simple precautions can prevent possible morbidity and mortality. We think that the public level of knowledge and awareness should be increased.