fig1

Figure 1. Frequencies of "M" consonant sound (top), "N" consonant sound (middle) and "A" vowel sound (bottom) before and 6 months after surgery. Data are expressed in Hertz
Figure 1. Frequencies of "M" consonant sound (top), "N" consonant sound (middle) and "A" vowel sound (bottom) before and 6 months after surgery. Data are expressed in Hertz
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