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<http://webisa.webdatacommons.org/345773054>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/264865212>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/345773054> .
<http://webisa.webdatacommons.org/345773054>	<http://www.w3.org/ns/prov#value>	"Other separation methods and devices can be used upstream of the MS, including electrophoresis, membrane separation, etc." .