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, 15:36, April 4, 2007
*"Under the so-called ABO blood classification system in use for more than a century, Type O blood can be given to anyone, because it lacks such antigens. But Type A blood can only be given to people whose blood is Types A or AB, and Type B blood can only be used in those with blood Types B or AB." [http://www.washtimes.com/national/20070404-122704-3244r.htm]
==External links==
* [http://www.washtimes.com/national/20070404-122704-3244r.htm Breakthrough makes all blood types universal] - Joyce Howard Price, ''[[The Washington Times]]'' - April 4, 2007