PREFIX ov: PREFIX owl: PREFIX skos: PREFIX rdfs: PREFIX dbr: PREFIX xsd: PREFIX sh: PREFIX rdf: PREFIX vann: PREFIX dc: PREFIX dct: PREFIX hito: hito:NonExperimentalStudy a owl:Class; rdfs:comment "Nicht-experimentelle Studie."@de, "study without an independent variable"@en; rdfs:label "Non Experimental Study"@en; rdfs:subClassOf hito:Study.