1. “The Causes of Death in Conventional Land Warfare-Implications for Combat Casualty Care Research,”;Bellamy;MilMed,1984
2. “Safety of blood supply,”;Sloand;JAMA,1995
3. Mammalian life without red blood corpuscles;Amberson;Science,1933
4. Hannah Hoag 2003 http://www.nature.com/nsu/030602/030602-7html.