<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/cm/14/51/980x754/548f11f289bb0_-_rbk-flu-myths-1113-5-s2.jpg>
<http://www.redbookmag.com/body/health-fitness/advice/g1958/doctor-tips-to-prevent-the-flu/>