1. Amnesty International Report on Torture (Duckworth, London, 1975).
2. Kjaersgaard, Aa. R. & Genefke, I. K. Ugeskr. Laeg. 139, 1057–1059 (1977); in Evidence of Torture (Amnesty International Publications, London, 1977).
3. Cathcart, L. M., Berger, P. & Knazan, B. Can. med. Ass. J. 121, 179–184 (1979).
4. Danielsen, L. et al. Forensic Sci. Int. 12, 211–225 (1978).
5. Aalund, O. Acta med. legalis socialis 30, 33–41 (1980).