References

Sieverling, C., (2009), CFS and Stem Cells: A Warning, The Environmental Illness Resource, July 23, 2009. Accessed online Dec 2010:  http://www.ei-resource.org/articles/chronic-fatigue-syndrome-articles/cfs-and-stem-cells:-a-warning/

Josephs, L., (2010), Costa Rica shuts stem cell clinic, Reuters, Wed Jun 2, 2010, Accessed online Dec 2010: http://www.reuters.com/article/idUSTRE6516UR20100602