Radiation Biology Ontology	Placental Maternal Health Conditions	Source
http://purl.obolibrary.org/obo/DOID_1510	http://pat.nichd.nih.gov/maternalconditions/C0031212	LOOM
http://purl.obolibrary.org/obo/DOID_2921	http://pat.nichd.nih.gov/maternalconditions/C0017658	LOOM
http://purl.obolibrary.org/obo/DOID_0050700	http://pat.nichd.nih.gov/maternalconditions/C0878544	LOOM
http://purl.obolibrary.org/obo/DOID_2030	http://pat.nichd.nih.gov/maternalconditions/C0003469	LOOM
http://purl.obolibrary.org/obo/DOID_3393	http://pat.nichd.nih.gov/maternalconditions/C1956346	LOOM