Brazilian journal of anesthesiology (Elsevier), cilt.69, sa.3, ss.253-258, 2019 (Hakemli Dergi)
Background and objectives: The current study aimed to determine the minimum effective volume (MEV) of bupivacaine 0.5% in 50% of patients for an ultrasound-guided retroclavicular approach to infraclavicular brachial plexus block.