Upper extremity surgery is commonly performed under regional anesthesia. The advent of ultrasonography has made performing upper extremity nerve blocks relatively easy with a high degree of reliability. The proximal approaches to brachial plexus block such as supraclavicular plexus block. infraclavicular plexus block. https://www.bekindtopets.com/great-pick-Nobivac-Feline-1-HCPCh-special-find/