Hip chronic pain: ultrasound-guided ablation of the articular branches of the nerve to quadratus femoris. Upgrade of the technique. - Petroni GM; Sanapo A; Ragonesi G; Marciano E; DE Sanctis F; Scarcella M; Commissari R; Nazzarro E; Marrone F; Antinolfi P; Fusco P (Minerva anestesiologica, 2026)