. . . . . . "The version of the external database in which this xref was last known to be valid. Resources may have recommendations for referencing dataset versions. For instance, the Gene Ontology recommends listing the date the GO terms were downloaded."@en . "The version of the external database in which this xref was last known to be valid. Resources may have recommendations for referencing dataset versions. For instance, the Gene Ontology recommends listing the date the GO terms were downloaded."@en . "The version of the external database in which this xref was last known to be valid. Resources may have recommendations for referencing dataset versions. For instance, the Gene Ontology recommends listing the date the GO terms were downloaded."@en . . . . . . .