<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/cm/14/50/640x518/548a9eb768767_-_rbk-tummy-doctors-0513-2-s2.jpg>
<http://www.redbookmag.com/body/health-fitness/advice/a15061/doctor-tips-for-stomach-ache/>