DR. SRAVANI YENAMADALA; DR. HARITHA; DR. KRISHNA CHAITANYA; DR. VENKATESHWARA RAO; DR. RAJITHA. EFFICACY OF SACRAL ERECTOR SPINAE PLANE BLOCK FOR POSTOPERATIVE ANALGESIA IN LUMBAR SPINE SURGERY – AN OBSERVATIONAL STUDY. Journal of Population Therapeutics and Clinical Pharmacology, [S. l.], v. 33, n. 2, p. 1069–1077, 2026. DOI: 10.69980/jhqtba15. Disponível em: https://jptcp.com/index.php/jptcp/article/view/13715. Acesso em: 23 oct. 2026.