To Evaluate The Postoperative Analgesic Effects Of A Bilateral Erector Spinae Plane Block Guided By Ultrasonography To Those Of Traditional Intravenous Opioids In Elective Laparoscopic Cholecystectomy- Comparative Study. African Journal of Biomedical Research, [S. l.], v. 27, n. 3S, p. 1756–1768, 2024. DOI: 10.53555/AJBR.v27i3S.2424. Disponível em: https://africanjournalofbiomedicalresearch.com/index.php/AJBR/article/view/2424.. Acesso em: 29 sep. 2025.