ADMIN, admin. Efficacy and safety of erector spinae plane block for postoperative analgesia after surgery: An Umbrella review protocol. African Journal of Health Sciences and Medicine, [S. l.], v. 3, n. 1, 2024. DOI: 10.20372/ajhsm.v03i01.03. Disponível em: https://journal.du.edu.et/index.php/ajhsm/article/view/281. Acesso em: 24 aug. 2025.