Devaram V, Arumulla SP, Midathala J, Reddy B, Mallela S, Chaitanya K, et al. Efficacy of ultrasound guided Thoracic Paravertebral block for postoperative analgesia in Patients Undergoing Percutaneous Nephrolithotomy Surgeries. PMJUA [Internet]. 2023 Mar. 23 [cited 2026 Mar. 21];7(4). Available from: https://painmedicine.org.ua/index.php/pnmdcn/article/view/338