<http://schema.org/mainEntityofPage>
<http://aolblog.aol.com/2013/12/21/bristol-myers-squibb-and-astrazeneca-a-big-break-u/>
<http://www.aol.com/article/2013/12/21/bristol-myers-squibb-and-astrazeneca-a-big-break-u/20793477/?gen=1>