<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef.bbci.co.uk/news/560/media/images/49691000/jpg/_49691052_m802112-hmo_laboratory_technician_freezing_sperm_&amp;amp;_eggs-spl.jpg>
<http://www.bbc.co.uk/news/health-11642548>