Демократическая тенденция в политической истории средневековой Руси: политические системы, институты и группировки
Published in Труды Исторического факультета Санкт-Петербургского университета • Jan 1, 2013
Authors:
Исаев Борис Акимович
Abstract
Metal toxicity is a global environmental challenge. Fish are particularly prone to metal exposure, which can be lethal or cause sublethal physiological impairments. The objective of this study was to investigate how adverse effects of chronic exposure to non-toxic levels of essential and non-essenti...
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