<http://schema.org/mainEntityOfPage>
<http://www.upi.com/Top_News/2008/03/13/Canada-cracks-down-on-cancer-cure-scams/43751205439393/>
<http://www.upi.com/Top_News/2008/03/13/Canada-cracks-down-on-cancer-cure-scams/UPI-43751205439393/>