<http://webisa.webdatacommons.org/390450674>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/78235290>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/390450674> .
<http://webisa.webdatacommons.org/prov/216289124>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/390450674> .
<http://webisa.webdatacommons.org/390450674>	<http://www.w3.org/ns/prov#value>	"Preferred hydrogels are polymers and copolymers of the acrylic type such as cross-linked polyacrylamide and polymers and copolymers of acrylic and methacrylic esters having at least one hydroxy radical in the side chain." .
<http://webisa.webdatacommons.org/390450674>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .