Cell Ontology Plant Phenotype Experiment Ontology Source
http://purl.obolibrary.org/obo/CHEBI_50906 http://purl.org/ppeo/PPEO.owl#role LOOM
http://purl.obolibrary.org/obo/BFO_0000023 http://purl.org/ppeo/PPEO.owl#role LOOM