Pathway Ontology Human Disease Ontology Source
http://purl.obolibrary.org/obo/PW_0002506 http://purl.obolibrary.org/obo/DOID_0111585 LOOM
http://purl.obolibrary.org/obo/PW_0000268 http://purl.obolibrary.org/obo/DOID_648 LOOM