function &getAssociatedByConcept( $dm, $dc ) {
	$concept_id = getConceptId( $dm, $dc );
	return readConceptMapping( $concept_id );
}
	protected function get() {
		global
			$wgOut, $wgRequest;
		$concept_id = $wgRequest->getText( "concept" );
		$wgOut->addWikiText( "<h2>" . wfMsgSc( "contents_of_mapping" ) . "</h2>" );
		$map = readConceptMapping( $concept_id );
		# $sets=wdGetDataSets();

		foreach ( $map as $dc => $dm_id ) {
			$wgOut->addWikiText( "$dc -> $dm_id" );
		}
	}