Becker, R. C. Antiplatelet Therapy. Scientific American Science & Medicine 3(4):12, July/August 1996. (An article about how platelet aggregation is controlled.)
Radetsky, P. The Mother of all blood Cells. Discover, March 1995, P. 86. (An article about the apparent isolation of human stem cells and the controversy over who owns the rights to them.) Thomas, E. D. Hematopoietic Stem Cell Transplantation. Scientific American Science & Medicine 2(5):38, September/October 1995. (Discusses the use of stem cells for bone marrow transplants.)
References:
www.redcross.org
Note: The topic should be accompanied by titles, authors, and journal sources of at least two scientific articles relating to the topic you have selected.