. . . "Used to reference terms from external controlled vocabularies (CVs) from the ontology. To support consistency and compatibility, open, freely available CVs should be used whenever possible, such as the Gene Ontology (GO)15 or other open biological CVs listed on the OBO website (http://obo.sourceforge.net/). See the section on controlled vocabularies in Section 4 for more information."^^ . "Used to reference terms from external controlled vocabularies (CVs) from the ontology. To support consistency and compatibility, open, freely available CVs should be used whenever possible, such as the Gene Ontology (GO)15 or other open biological CVs listed on the OBO website (http://obo.sourceforge.net/). See the section on controlled vocabularies in Section 4 for more information."^^ . "Used to reference terms from external controlled vocabularies (CVs) from the ontology. To support consistency and compatibility, open, freely available CVs should be used whenever possible, such as the Gene Ontology (GO)15 or other open biological CVs listed on the OBO website (http://obo.sourceforge.net/). See the section on controlled vocabularies in Section 4 for more information."^^ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .