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. 2019 Nov 14;18:109. doi: 10.1186/s12938-019-0730-6

Fig. 1.

Fig. 1

Hamilton Rating Scale for Depression (HDS) scores at baseline and upon completion of 10 sessions of the Functional Electrical Stimulation Therapy (FEST) of the facial muscles (values between 0 and 6 indicate no depression). X-axis shows the 10 participants of the study