Observational An observational study design. Properties { "id": "https://schema.org/Observational", "label": "Observational", "comment": "An observational study design.", "subTypeOf": "https://schema.org/MedicalObservationalStudyDesign", "enumerationtype": "https://schema.org/MedicalObservationalStudyDesign", "equivalentClass": "", "properties": "", "subTypes": "", "supersedes": "", "supersededBy": "", "isPartOf": "" }Getting Started