Religions Reference Library". World Religions Reference Library – via HighBeamResearch (subscription required) . 1 January 2007. Archived from the original
Biotech Week. NewsRX. 2013. Retrieved August 27, 2015 from HighBeamResearch: http://www.highbeam.com/doc/1G1-319888975.html Archived 2015-09-24 at the Wayback