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Publication Name
World Journal of Critical Care Medicine
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2220-3141
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Baishideng Publishing Group Inc, 7041 Koll Center Parkway, Suite 160, Pleasanton, CA 94566, USA

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©The Author(s) 2021.
World J Crit Care Med. Sep 9, 2021; 10(5): 204-219
Published online Sep 9, 2021. doi: 10.5492/wjccm.v10.i5.204
Figure 1
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Figure 1 Endotracheal intubation. High frequency 5-10 MHz linear probe with probe marker facing toward patients’ right side, placed at base of neck midline just superior to suprasternal notch. “Bullet sign” of proper endotracheal intubation seen here, with hyperechoic air-mucosal interface and posterior shadowing.
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