<http://schema.org/DDxElement>	<http://www.w3.org/2000/01/rdf-schema#subClassOf>	<http://schema.org/MedicalIntangible> .
<http://schema.org/DDxElement>	<http://purl.org/dc/terms/source>	<http://www.w3.org/wiki/WebSchemas/SchemaDotOrgSources#source_WikiDoc> .
<http://schema.org/DDxElement>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/2000/01/rdf-schema#Class> .
<http://schema.org/DDxElement>	<http://www.w3.org/2000/01/rdf-schema#label>	"DDxElement" .
<http://schema.org/DDxElement>	<http://www.w3.org/2000/01/rdf-schema#comment>	"An alternative, closely-related condition typically considered later in the differential diagnosis process along with the signs that are used to distinguish it." .