Physical Medicine and Rehabilitation	Protein-ligand interaction ontology	Source
http://www.semanticweb.org/ontologies/2010/3/Ontology1271664172453.owl#protein	http://purl.bioontology.org/ontology/PMR.owl#Protein	LOOM
http://www.semanticweb.org/ontologies/2010/3/Ontology1271664172453.owl#activity	http://purl.bioontology.org/ontology/PMR.owl#Activity	LOOM