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. Author manuscript; available in PMC: 2019 Jul 11.
Published in final edited form as: Laryngoscope. 2008 Apr;118(4):748–752. doi: 10.1097/MLG.0b013e31815fdeee

Fig. 3.

Fig. 3

(A) Laser calibrated amplitude and frequency measurements of 13 female and 9 male volunteers with no signs, symptoms, or history of voice disorders, taken from a study by Schuster et al.20 (B) Estimated peak pressure values with respect to frequency when the measurements from (A) are plugged into equation three with sin2= 1. The fluid density of capillary blood was used for ρ, 1040 kg/m3. The mean and standard deviation of the amplitudes in (A) were used to plot the mean and standard deviation of the estimated peak pressure values in (B).