1. On the Origin of Species by Means of Natural Selection;Darwin,1859
2. Evolve. Online Etymology Dictionary. Retrieved December 30, 2009, from Dictionary.com website: http://dictionary.reference.com/browse/evolve.
3. Darwin's greatest discovery: design without designer;Ayala;Proc. Natl. Acad. Sci. USA,2007
4. Clinical genetics: compassion, access, science, and advocacy;McCabe;Genet. Med.,2001
5. DNA: Promise and Peril;McCabe,2008