<http://www.w3.org/1999/02/22-rdf-syntax-ns#first>
<http://ichef-1.bbci.co.uk/news/ws/560/amz/worldservice/live/assets/images/2013/12/20/131220050620_medicine_624x351_ap.jpg>
<http://www.bbc.com/hindi/india/2013/12/131220_gsk_india_medicine_market_vr.shtml>