<http://webisa.webdatacommons.org/prov/234498757>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/221171409> .
<http://webisa.webdatacommons.org/221171409>	<http://www.w3.org/ns/prov#value>	"L-DOPA and caffeine are examples as are vitamins such as B12 and" .
<http://webisa.webdatacommons.org/221171409>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/221171409>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<biomedcentral.com> .