<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://rbk.h-cdn.co/assets/cm/14/50/548a5ded3ec56_-_rbk-antibiotics-0612-3-msc.jpg>
<http://www.redbookmag.com/body/health-fitness/advice/a13969/how-antibiotics-cause-superbugs/?click=list>