<http://webisa.webdatacommons.org/446890606>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.es> .
<http://webisa.webdatacommons.org/prov/435200457>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/446890606> .
<http://webisa.webdatacommons.org/446890606>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/446890606>	<http://www.w3.org/ns/prov#value>	"However, the delivery of injections to large numbers of people presents several problems including expense, difficulty of transportation, cross-contamination between recipients, and the creation of hazardous biowaste." .