Drosophila Phenotype Ontology Parkinson's Disease Ontology Source
http://www.semanticweb.org/ontologies/2011/1/Ontology1296772722296.owl#Freezing http://purl.obolibrary.org/obo/ENVO_01001548 LOOM
http://www.semanticweb.org/ontologies/2011/1/Ontology1296772722296.owl#Abnormal_circadian_rhythm http://purl.obolibrary.org/obo/FBcv_0000394 LOOM