Fig. 4
![Fig. 4](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs40902-019-0202-8/MediaObjects/40902_2019_202_Fig4_HTML.png)
Evaluation of hypernasality (vowels). Measurements of nasal emission energy in vowels using nasometer. After initiation of speech aid therapy, the nasality decreases with time
Evaluation of hypernasality (vowels). Measurements of nasal emission energy in vowels using nasometer. After initiation of speech aid therapy, the nasality decreases with time