About: http://webisa.webdatacommons.org/301241545

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Traditional drug delivery systems use synthetic polymer materials, which can contain chemicals or other toxic substances.
http://www.w3.org/ns/prov#wasQuotedFrom	cancercompass.com