Yen Hou Ng

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The present study was undertaken to evaluate if plasma or CSF beta-endorphin level can be induced to rise during the treatment of heroin addiction by electroacupuncture. Based on the examination of 30 addicts, we obtained no evidence indicating an increase of beta-endorphin level in either the plasma or the CSF after 30 min of acupuncture. In spite of this,(More)
This paper investigates the short-run and long-run performance of Australian cross-listed firms relative to their rivals. The role of share trading liquidity in explaining abnormal returns is also investigated. In the short run, the mean cumulative abnormal returns of between 0.65% to 1.02% are statistically significant for the cross-listed firms during the(More)
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