Fluoroscopy-guided high-intensity focused ultrasound neurotomy of the lumbar zygapophyseal joints: a prospective, open-label study. - Gofeld M; Smith KJ; Bhatia A; Djuric V; Leblang S; Rebhun N; Aginsky R; Miller E; Skoglind B; Hananel A (Regional anesthesia and pain medicine, 2025)