description: Observations from a PHD where the measurement is a human readable string. package_name: hl7.fhir.uv.phd derivation: constraint name: PhdStringObservation type: Observation elements: value: short: Human readable text string choices: [valueString] index: 1 valueString: {type: string, short: Human readable text string, choiceOf: value, index: 2} package_version: 2.0.0-ballot2 class: profile kind: resource url: http://hl7.org/fhir/uv/phd/StructureDefinition/PhdStringObservation base: http://hl7.org/fhir/uv/phd/StructureDefinition/PhdBaseObservation version: 2.0.0-ballot2