Disability, distress and unemployment in neurology outpatients with symptoms 'unexplained by organic disease'. - Carson, A; Stone, J; Hibberd, C; Murray, G; Duncan, R; Coleman, R; Warlow, C; Roberts, R; Pelosi, A; Cavanagh, J; Matthews, K; Goldbeck, R; et al. (Journal of neurology, neurosurgery, and psychiatry, 2011)