<http://webisa.webdatacommons.org/129831947>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/129831947>	<http://www.w3.org/ns/prov#value>	"B12 is a vitamin that is obtained in nature exclusively from bacteria, several producing strains being: Bacillus megaterium, Streptomyces olivaceus etc." .
<http://webisa.webdatacommons.org/prov/234498757>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/129831947> .
<http://webisa.webdatacommons.org/129831947>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<enotes.com> .