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Four sets of solutions spread in the F0-SPL space, each representing the acoustic output of a particular surgical morphology. A. Normal; B. Subepithelial cordectomy (SE); C. Transligamental cordectomy (TL); and D. Subligamental cordectomy (SL). The red outline shows the area covered by the respective set of solutions in F0-SPL space. The outline was estimated by a non-convex hull using Delaunay triangulation.
