Traumatic upper plexus palsy: Is the exploration of brachial plexus necessary? - Gkiatas, Ioannis; Papadopoulos, Dimitrios; Korompilias, Anastasios; Vekris, Marios; Beris, Alexandros; Kostas-Agnantis, Ioannis (European Journal of Orthopaedic Surgery & Traumatology, 2019)