thought maybe everyone would be interested in this.
http://www.drsfostersmith.com/general.cfm?gid=911&ref=4612&subref=AA&cmpid=E-_-PT-_-42109HR669-_-P1
http://www.drsfostersmith.com/general.cfm?gid=911&ref=4612&subref=AA&cmpid=E-_-PT-_-42109HR669-_-P1