National Drug Data File	Biofilm Ontology	Source
http://www.semanticweb.org/bowenliu/ontologies/2020/4/untitled-ontology-8#fibrinogen	http://purl.bioontology.org/ontology/NDDF/002066	LOOM
http://www.semanticweb.org/bowenliu/ontologies/2020/4/untitled-ontology-8#gas	http://purl.bioontology.org/ontology/NDDF/GA	LOOM
http://www.semanticweb.org/bowenliu/ontologies/2020/4/untitled-ontology-8#phosphorus	http://purl.bioontology.org/ontology/NDDF/000863	LOOM
http://www.semanticweb.org/bowenliu/ontologies/2020/4/untitled-ontology-8#nitrogen	http://purl.bioontology.org/ontology/NDDF/002515	LOOM
http://www.semanticweb.org/bowenliu/ontologies/2020/4/untitled-ontology-8#iron	http://purl.bioontology.org/ontology/NDDF/000828	LOOM
http://www.semanticweb.org/bowenliu/ontologies/2020/4/untitled-ontology-8#potassium	http://purl.bioontology.org/ontology/NDDF/000763	LOOM