192. A prospective, randomised comparison of superficial versus combined (deep and subcutaneous) cervical plexus block with levobupivacaine for minimally invasive parathyroidectomy (MIP)
192. A prospective, randomised comparison of superficial versus combined (deep and subcutaneous) cervical plexus block with levobupivacaine for minimally invasive parathyroidectomy (MIP)