<http://webisa.webdatacommons.org/prov/436703052>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/434920487> .
<http://webisa.webdatacommons.org/434920487>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<vithoulkas.com> .
<http://webisa.webdatacommons.org/434920487>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/449149852>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/434920487> .
<http://webisa.webdatacommons.org/434920487>	<http://www.w3.org/ns/prov#value>	"Sometimes all these drugs fail and we have to resort to the halogens, especially to Bromine and Iodine." .