Brachial PlexusBrachial Plexus NeuropathiesNerve TransferBirth InjuriesParalysis, ObstetricMeningoceleBrachial Plexus NeuritisParalysisIntercostal NervesDeltoid MuscleHorner SyndromeSpinal Nerve RootsShoulder JointNerve RegenerationChoroid PlexusNerve BlockRecovery of FunctionMusculocutaneous NerveCervical PlexusWounds and InjuriesRetrospective StudiesMyenteric PlexusThoracic Outlet SyndromeMepivacaineAnesthetics, LocalClavicleSubmucous PlexusContractureButorphanolBrain InjuriesThoracic Nerves