var_dump /eurovoc /concepts/442990
object(Concept)#5303 (1) {
  ["_c":protected]=>
  array(6) {
    ["inScheme"]=>
    array(2) {
      [0]=>
      int(100141)
      [1]=>
      int(100212)
    }
    ["prefLabel"]=>
    object(MLString)#5304 (1) {
      ["_c":protected]=>
      array(2) {
        ["fr"]=>
        array(1) {
          [0]=>
          string(28) "dépendance aux médicaments"
        }
        ["en"]=>
        array(1) {
          [0]=>
          string(23) "prescription drug abuse"
        }
      }
    }
    ["altLabel"]=>
    object(MLString)#5305 (1) {
      ["_c":protected]=>
      array(2) {
        ["fr"]=>
        array(3) {
          [0]=>
          string(19) "pharmacodépendance"
          [1]=>
          string(20) "abus de médicaments"
          [2]=>
          string(19) "abus médicamenteux"
        }
        ["en"]=>
        array(3) {
          [0]=>
          string(28) "prescription drug dependence"
          [1]=>
          string(28) "prescription drug dependency"
          [2]=>
          string(18) "pharmacodependence"
        }
      }
    }
    ["broader"]=>
    array(1) {
      [0]=>
      int(2690)
    }
    ["related"]=>
    array(1) {
      [0]=>
      int(2773)
    }
    ["notation"]=>
    array(1) {
      [0]=>
      int(442990)
    }
  }
}