SINGH, Aastha; MAHAJAN, Arti; SAINI, Heena; CHOUDHARY, Sonali. Safety and Efficacy of Thoracic Segmental Spinal Anesthesia Using Fentanyl and Dexmedetomidine as Adjuvants to Ropivacaine in Patients Undergoing Laparoscopic Cholecystectomy: A Prospective Randomized Comparative Study. JK Science: Journal of Medical Education & Research, [S. l.], v. 28, n. 3, p. 147–151, 2026. Disponível em: https://journal.jkscience.org/index.php/JK-Science/article/view/442. Acesso em: 28 sep. 2026.