...cal corticosteroid injection for carpal tunnel syndrome. Cochrane Database Syst Rev 2007, Issue 1. Art. No.: CD001554. May JW Jr, Rosen H. Division of the sensory ramus communicans between the ulnar and median nerves: a complication following carpal tunnel release. A case report. J Bone Joint Surg Am 1981;63(5):836-8. Nath RK, Mackinnon SE, Stelnicki E. Reflex sympathetic dystrophy. The controv......