KUMAR, Sumanta; MONDAL, Ujjwal; SUBA, Onzima; GHOSH, Anirban Kumar. COMPARATIVE STUDY OF ISOBARIC 0.5% LEVOBUPIVACAINE COMBINED WITH 50MCG FENTANYL VERSUS ISOBARIC RACEMIC MIXTURE OF 0.5% BUPIVACAINE COMBINED WITH 50MCG FENTANYL IN LUMBAR EPIDURAL ANAESTHESIA FOR ELECTIVE INFRAUMBILICAL SURGERY. Journal of Advanced Research in Medical and Health Science (ISSN 2208-2425), [S. l.], v. 12, n. 1, p. 16–24, 2026. DOI: 10.61841/3vgrzv48. Disponível em: https://www.jarmhs.com/index.php/mhs/article/view/595.. Acesso em: 5 feb. 2026.