<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://cdn-images.rtp.pt/icm/noticias/images/9f/9f25b457c394333f0fa380f32fc4ad8e?620&amp;amp;rect=0,159,800,439&amp;amp;w=800&amp;amp;q=10&amp;amp;auto=format>
<http://www.rtp.pt/noticias/saude/medicamento-portugues-vai-ser-testado-na-china_a561421>