Gregory Thom

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The memorization and production of song in songbirds share important parallels with the process of speech acquisition in humans. In songbirds, these processes are dependent on a group of specialized telencephalic nuclei known as the song system: HVC (used as a proper name), RA (robust nucleus of arcopallium), LMAN (lateral magnocellular nucleus of the(More)
The growing knowledge on paleogeography and the recent applications of molecular biology and phylogeography to the study of the Amazonian biota have provided a framework for testing competing hypotheses of biotic diversification in this region. Here, we reconstruct the spatio-temporal context of diversification of a widespread understory polytypic Amazonian(More)
This article reports about a young boy with fulminant meningococcal septicemia. Conventional treatment with antibiotics, intensive care and hemostatic drugs hold up vital functions. Because of extensive purpura fulminans with skin necrosis recombinant tissue plasminogen activator (rt-PA) was used. Under this therapy clinical improvement was observed.
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