Titlebook: Case Studies of Near Misses in Clinical Anesthesia; John G. Brock-Utne Book 2011 Springer Science+Business Media, LLC, part of Springer Na

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Are polychlorinated biphenyls produced naturally? Results from recent UK investigationsPolychlorinated biphenyls (PCBs) have possibly been the subject of more research attention than any other group of organohalogen compounds. Nonetheless, they still represent a challenge to the environmental chemist and ecotoxicologist who wishes to understand their complex environmental fate and behaviour, and potential effects on ecosystems.

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Bernhard Ilschner,Robert F. SingerIn the course of depression and war Kenya underwent a double transformation of its state and society. The colony matured, but partially, from a segmentary into a centralised state and thereby became ungovernable. Its peoples faced unprecedented divisions, so that many of the weak felt that the strong had gone out of control.

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