HHEAR Value Sets Early Pregnancy Ontology Source
http://purl.obolibrary.org/obo/UBERON_0001088 http://www.semanticweb.org/ontologies/2009/3/ontoDPN.owl#OPPIO_a000438 LOOM
http://purl.obolibrary.org/obo/UBERON_0001987 http://www.semanticweb.org/ontologies/2009/3/ontoDPN.owl#Placenta LOOM