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Dendrochronology is usually the only method of precise dating of unsigned art objects made on or of wood. It has a long history of application in Europe, however in Russia such an approach is still at an infant stage, despite its cultural importance. Here we present the results of dendrochronological and radiocarbon accelerated mass spectrometry (AMS) dating of three medieval icons from the 15th–17th...
Background. This clinical laboratory study evaluated how the timing of drinking and subjective responses to alcohol are effected by the opioid antagonist naltrexone. Methods. Forty non-treatment seeking alcoholics were randomly assigned to treatment with 50mg naltrexone or matching placebo for 7 days. On day 7, they were administered an initial drink of alcohol (blood alcohol levels of between 20...
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