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<http://webisa.webdatacommons.org/prov/446304079>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/208398353> .
<http://webisa.webdatacommons.org/208398353>	<http://www.w3.org/ns/prov#value>	"The method and composition of the present invention provide an inexpensive and simple method of producing pure trophic factors, growth factors, and other related factors or products." .
<http://webisa.webdatacommons.org/208398353>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .