Pregnancy Information Needs Ontology WHO COVID-19 Rapid Version CRF semantic data model Source
http://purl.org/vodan/whocovid19crfsemdatamodel/HIV_test http://www.semanticweb.org/luyu/ontologies/2021/3/pregnancy_information_needs_ontology#HIV LOOM
http://purl.obolibrary.org/obo/NCIT_C14219 http://www.semanticweb.org/luyu/ontologies/2021/3/pregnancy_information_needs_ontology#HIV LOOM
http://purl.obolibrary.org/obo/NCIT_C3038 http://www.semanticweb.org/luyu/ontologies/2021/3/pregnancy_information_needs_ontology#Fever LOOM