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Chronic alcoholic intoxication was found to result in changes in trace elemental structure of human hair and mongrel white rat hair. Reliable increase of iron, zinc, copper and manganese in hair of alcoholic patients and tendency to increase iron content in rat hair were detected.  相似文献   
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New data on characteristics of sudden cardiac death are provided. It is characterized by hypohydration of the brain, elevated cerebral impedance, a sharp fall of the index of coronary heart arteries passability, mostly areactive affection of the stem nuclei of the brain.  相似文献   
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New electronic forms of political communication have become increasingly popular in countries with weak democratic institutions. The effectiveness of these new forms of association in altering political behavior, however, remains uncertain even in developed democratic regimes. This paper investigates connections between regional variation in electoral behavior and regional distribution of electronic social networks in the case of Ukraine's polarized and institutionally unstable democracy. Our analysis of online networks shows that, somewhat contrary to conventional wisdom, electronic communication does not bridge political divides. This finding casts doubt on the effectiveness of online forms of political communication as a source of behavioral change.  相似文献   
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