Epidural Steroids; Does the level of injection make any difference in pain releif and outcome?. International Journal of Biomedical Research, [S. l.], v. 5, n. 12, p. 771–773, 2014. DOI: 10.7439/ijbr.v5i12.861. Disponível em: https://ssjournals.co.in/index.php/ijbr/article/view/1463. Acesso em: 16 feb. 2026.