DR. MEHAK SHABIR; DR. ANJUM SHAMIM; DR. SABEEHA GUL. A PROSPECTIVE COMPARATIVE STUDY ON EFFECT OF FENTANYL AND DEXMEDETOMIDINE AS ADDITIVES TO ROPIVACAINE IN ULTRASOUND-GUIDED SUPRACLAVICULAR BRACHIAL PLEXUS BLOCK FOR ELECTIVE UPPER LIMB SURGERIES. Journal of Population Therapeutics and Clinical Pharmacology, [S. l.], v. 33, n. 2, p. 414–425, 2026. DOI: 10.69980/pj7rfg49. Disponível em: https://www.jptcp.com/index.php/jptcp/article/view/13126. Acesso em: 8 nov. 2026.