Environmental conditions, treatments and exposures ontology	Biomedical Resource Ontology	Source
http://bioontology.org/ontologies/Activity.owl#Social_Networking	http://purl.obolibrary.org/obo/NCIT_C19035	LOOM
http://bioontology.org/ontologies/Activity.owl#Activity	http://purl.obolibrary.org/obo/NCIT_C43431	LOOM
http://bioontology.org/ontologies/BiomedicalResourceOntology.owl#Gene_Expression	http://purl.obolibrary.org/obo/GO_0010467	LOOM
http://bioontology.org/ontologies/Activity.owl#Surgical_Procedure	http://purl.obolibrary.org/obo/MAXO_0000004	LOOM
http://bioontology.org/ontologies/Activity.owl#Activity	http://purl.obolibrary.org/obo/XCO_0000001	LOOM