<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://toc.h-cdn.co/assets/cm/14/37/980x635/540f82f74209a_-_03-tcx-lydia-hearst-operation-smile-ambassador-shows-patient-how-to-work-a-stethoscope-1212-lg.jpg>
<http://www.townandcountrymag.com/society/g128/photos-of-operation-smile-mission-panama-2012/>