<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://wdy.h-cdn.co/assets/cm/15/09/54ebba43b3cbb_-_pain-relief-patch-xl.jpg>
<http://www.womansday.com/health-fitness/womens-health/advice/g1199/how-to-stop-pain/?click=ht>