RETRACTED: The postoperative analgesia efficacy of dexamethasone added to bupivacaine versus bupivacaine alone in ultrasound-guided supraclavicular brachial plexus block for upper limb orthopedic surgeries, Ethiopia: An observational prospective cohort study

• Kassaw Moges,
• Yilkal Tadesse,
• Fisiha Fentie

Affiliations

Kassaw Moges

Department of Anesthesia, Bahir Dar University, Bahir Dar, Ethiopia

Yilkal Tadesse

Department of Anesthesia, Bahir Dar University, Bahir Dar, Ethiopia

Fisiha Fentie

Department of Anesthesia, Addis Ababa University, Addis Ababa, Ethiopia