description: null package_name: portuguese.core.guide derivation: constraint name: PeriodPTCore type: Period elements: start: {index: 0} end: {index: 1} package_version: 1.0.0 class: complex-type kind: complex-type url: https://spms.min-saude.pt/fhir-r4B/iop/StructureDefinition/PeriodPTCore base: http://hl7.org/fhir/StructureDefinition/Period version: 1.0.0