PMC10235448_01
The location of the nummular headache of our patients. The borders are represented by the dashed line; the red dots indicate the sites of subcutaneous BoNT/A injections (5 U per site).
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F1
The treatment was performed with subcutaneous injections in the ellipsoidal-shaped area of pain, with 5 U per site and a total of 10 points (Figure 1).