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. 2020 Jul 6;29(3):1749–1778. doi: 10.1044/2020_AJSLP-19-00178

Figure 5.

Figure 5.

Mean vocal fundamental frequency (F0) from ages 1 to 20 years for males and females (based on data in Ludlow et al., 2019). The lines with double arrowheads show the approximate transition periods of F0 for both males and females.