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. 2018 Oct 25;32(6):2144–2309. doi: 10.1111/jvim.15319

Figure 1.

Figure 1

Photo exported through GlotAnTool. The glottal gap area (A) was traced around the arytenoid cartilages and the vocal cords as shown by the red and blue line. The long axis of the glottal gap (L) was measured from the center of the dorsal connection between the arytenoid cartilages to a central point at the base of the vocal cords by Image J as shown by the yellow line