Has drug exposure leaf node

@prefix omop: <https://w3id.org/omop/ontology/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix owlready: <http://www.lesfleursdunormal.fr/static/_downloads/owlready_ontology.owl#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

omop:has_drug_exposure a owl:ObjectProperty ;
    rdfs:label "Has drug exposure"^^xsd:string ;
    owlready:python_name "drug_exposures"^^xsd:string ;
    rdfs:comment "reversed relation, For Drug Exposure: The PERSON_ID of the PERSON for whom the drug dispensing or administration is recorded. This may be a system generated code."@en,
        "reversed relation, For Drug Exposure: The VISIT_DETAIL record during which the drug exposure occurred. For example, if the person was in the ICU at the time of the drug administration the VISIT_OCCURRENCE record would reflect the overall hospital stay and the VISIT_DETAIL record would reflect the ICU stay during the hospital visit. Same rules apply as for the VISIT_OCCURRENCE_ID."@en,
        "reversed relation, For Drug Exposure: The Visit during which the drug was prescribed, administered or dispensed. To populate this field drug exposures must be explicitly initiated in the visit."@en ;
    rdfs:domain [ a owl:Class ;
            owl:unionOf ( omop:Person omop:BaseVisit ) ] ;
    rdfs:range omop:DrugExposure ;
    omop:omop_cdm_name "drug_exposure.person_id#77 AS Person"^^xsd:string,
        "drug_exposure.visit_detail_id#94 AS VisitDetail"^^xsd:string,
        "drug_exposure.visit_occurrence_id#93 AS VisitOccurrence"^^xsd:string .