Norup, A., K. Spangsberg Kristensen, I. Poulsen, C. Löfvquist Nielsen, and E. Lykke Mortensen. “Clinically Significant Changes in the Emotional Condition of Relatives of Patients With Severe Traumatic Brain Injury During Sub-Acute Rehabilitation”. Journal of Rehabilitation Medicine, vol. 45, no. 8, June 2013, pp. 820-6, doi:10.2340/16501977-1190.