APA Treatment Cluster	Environmental conditions, treatments and exposures ontology	Source
http://ontology.apa.org/apaonto/termsonlyOUT%20(5).owl#Hypericum_Perforatum	http://purl.obolibrary.org/obo/NCBITaxon_65561	LOOM
http://ontology.apa.org/apaonto/termsonlyOUT%20(5).owl#Blood_Transfusion	http://purl.obolibrary.org/obo/MAXO_0000756	LOOM
http://ontology.apa.org/apaonto/termsonlyOUT%20(5).owl#Smoking_Cessation	http://purl.obolibrary.org/obo/NCIT_C17427	LOOM