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Prospective Study
Copyright: ©Author(s) 2026.
World J Methodol. Sep 20, 2026; 16(3): 115087
Published online Sep 20, 2026. doi: 10.5662/wjm.v16.i3.115087
Figure 1
Figure 1 Measurement of diaphragm thickness by ultrasonography. A: Diaphragm thickness during inspirium; B: Diaphragm thickness during expirium.


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