| NanoParticle Ontology | Randomized Controlled Trials Ontology | Source |
|---|---|---|
| http://www.w3.org/2006/time#Year | http://purl.org/obo/owl/UO#UO_0000036 | LOOM |
| http://www.owl-ontologies.com/RCTOntology.owl#Rate | http://purl.bioontology.org/ontology/npo#NPO_1308 | LOOM |
| http://www.owl-ontologies.com/RCTOntology.owl#Duration | http://purl.bioontology.org/ontology/npo#NPO_1818 | LOOM |
| http://www.owl-ontologies.com/RCTOntology.owl#Procedure | http://purl.bioontology.org/ontology/npo#NPO_1406 | LOOM |