Pediatric Terminology Drosophila Development Ontology Source
http://www.owl-ontologies.com/Ontology1358660052.owl#Life_Stage http://purl.obolibrary.org/obo/FBdv_00007012 LOOM
http://www.owl-ontologies.com/Ontology1358660052.owl#Embryonic_Stage http://purl.obolibrary.org/obo/FBdv_00005289 LOOM