Preservation of the ulnar bursa within the carpal tunnel: does it improve the outcome of carpal tunnel surgery? A randomized, controlled trial. - Forward DP; Singh AK; Lawrence TM; Sithole JS; Davis TR; Oni JA; Forward, D P; Singh, A K; Lawrence, T M; Sithole, J S; Davis, T R C; Oni, J A (Journal of Bone & Joint Surgery, American Volume, 2006)