1. Lindegaard KF, Grip A, Nordnes H (1980) Precerebral heamodynamics in brain tamponade. Part I: Clinical studies on blood flow velocity. Neurochirurgia 23:133?143
2. Walker AE, Brickford R, Aung M et al (1977) An appraisal of the criteria of cerebral death. A summary statement. A collaborative study. JAMA 237:982?986
3. Stuart FP, Veith FJ, Cranford RE (1981) Brain death laws and patterns of consent to remove organs for transplatation from cadavers in the United States and 28 other countries. Transplantation 31:238?245
4. Norwegian law, Act No.6 of February 1973 relating to transplantation, hospital autopsies and the donation of bodies etc.
5. Norwegian regulations regarding the definition of death, in pursuance of act No.6 of February 1973 relating to transplantation, hospital autopsies and donation of bodies etc, chapter I-transplatation. Laid down by royal decree of 10 june 1977 pursuant to § 13 in the act