@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .

<https://bioregistry.io/ddi:Instrument> rdfs:seeAlso <http://bio2rdf.org/ddi:Instrument>,
        <http://purl.org/ddi/owl#Instrument>,
        <http://rdf-vocabulary.ddialliance.org/lifecycle#Instrument>,
        <https://bioportal.bioontology.org/ontologies/DDI/?p=classes&conceptid=http://purl.org/ddi/owl#Instrument> .