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Guideline for evaluating the hazards of pesticides to honey bees, Apis mellifera

, : Guideline for evaluating the hazards of pesticides to honey bees, Apis mellifera. Proceedings of the Fourth International Symposium on the Harmonization of Methods for Testing the Toxicity of Pesticides to Bees, May 15-18, 1990, Rez near Prague, Czechoslovakia: 15-26

The guideline described makes use of testing methods that have resulted from work presented at previous symposia in this series. In the form of a sequential decision-making scheme, the guideline provides a framework for classifying the hazards of pesticides to bees. Two laboratory test methods (oral LD50 and contact LD50), a cage test method, and a field test method, described in detail, provide the test data required for evaluating hazards to bees.


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Skvortsova, V.I.; Gubskiĭ, L.V.; Shamalov, N.A.; Abdurasulov, A.T., 2005: The dynamics of recovery processes in ischemic stroke as shown by comparison of clinical and tomographic indices. The aim of this study was to assess the relation between MRI-changes of the brain infarction (BI) and neurological status in patients with hemispheric ischemic stroke. Clinical and MRI examinations were performed in 70 patients (aged from 46 to 89...