2026. Comparative study between ultrasound guided erector spinae block versus thoracic paravertebral block versus quadratus lamborum block for postoperative analgesia after open renal surgeries: a prospective randomized controlled study. Archivio Italiano di Urologia e Andrologia. (Jul. 2026). DOI:https://doi.org/10.4081/aiua.2026.15675.