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The Fire Clay tonstein [Pennsylvanian (Upper Carboniferous), Westphalian Series, Duckmantian Stage]–a kaolinized, volcanic-ash deposit occurring in Kentucky, West Virginia, Tennessee, and Virginia–is the most widespread bed in the Middle Pennsylvanian of the central Appalachian basin, USA. A concordant single-crystal U–Pb zircon datum for this tonstein gives a 206 Pb/ 238 U age of...
Using an agar dilution method, we determined the in vitro activity of oritavancin, vancomycin, clindamycin and metronidazole against 114 unique clinical isolates of Gram-positive anaerobes. MIC 90 s (μg/mL) for oritavancin were as follows: Clostridium perfringens 1.0, Propionibacterium acnes 0.25, Peptostreptococcus anaerobius 0.25, Peptoniphilus asaccharolyticus 0.5, Finegoldia magna 0.25,...
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