<http://schema.org/mainEntityOfPage>
<http://www.upi.com/Health_News/2013/09/05/Study-Uncontrolled-hypertension-is-common/88081378360150/>
<http://www.upi.com/Health_News/2013/09/05/Study-Uncontrolled-hypertension-is-common/UPI-88081378360150/?spt=hs&or=hn>