DŨNG, H. V.; SƠN, N. B. N. Comparative study between ultrasound-guided paraspinal nerve root block versus caudal epidural injection in the treatment of sciatica due to lumbar intervertebral disc herniation . Journal of Medical Research, [S. l.], v. 199, n. 2, p. 154-161, 2026. DOI: 10.52852/tcncyh.v199i2.4618. Disponível em: https://tapchinghiencuuyhoc.vn/index.php/tcncyh/article/view/4618. Acesso em: 11 nov. 2026.