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Abstract
Bilateral occipital block procedures could relief the pain to VAS 2 but lasting not more than 24 h. The long-term pain negatively affected the patient's functionality, and the body weight of the patient was lost 20 kg within 6 months. The trial stimulation (3-, 5+, 7-; 3 V, 130 ms, and 60 Hz) successfully covered left occipital area, producing a significant pain relief (VAS from 9-10 to 2-4). {Figure 1} The exact mechanisms of ON...