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Bat Wing, Butterfly, or Angel Wing Sign
2014Air-space edema may be diffuse, multifocal, or patchy but mainly bilateral. Symmetrical perihilar ground-glass opacities sparing the cortex of the lungs (known as the “bat wing,” “butterfly,” or “angel wing” sign) may be seen sometimes and attributed to rapid accumulation of edema fluid.
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A wireless radiofrequency-powered insect-scale flapping-wing aerial vehicle
Nature Electronics, 2021Takashi Ozaki +2 more
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Birds can transition between stable and unstable states via wing morphing
Nature, 2022Christina Harvey +2 more
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