Here is the link to the nursing magazine from which the article came from. <A HREF="http://nsweb.nursingspectrum.com/NurseNewsEzine/item.cfm?ID=1787" target="_blank">http://nsweb.nursingspectrum.com/NurseNewsEzine/item.cfm?ID=1787</A> It can also be found on the Cdex website. Link below. <A HREF="http://www.cdex-inc.com" target="_blank">http://www.cdex-inc.com</A>