Enhanced Personal Profile Ontology WHO COVID-19 Rapid Version CRF semantic data model Source
http://purl.org/vodan/whocovid19crfsemdatamodel/Country http://www.semanticweb.org/patienceusip/ontologies/2020/7/untitled-ontology-7#Country LOOM
http://purl.org/vodan/whocovid19crfsemdatamodel/Birth http://www.semanticweb.org/patienceusip/ontologies/2020/7/untitled-ontology-7#Date_of_Birth LOOM
http://purl.obolibrary.org/obo/NCIT_C68615 http://www.semanticweb.org/patienceusip/ontologies/2020/7/untitled-ontology-7#Date_of_Birth LOOM