description: Período de efeito do evento adverso
package_name: package.teste
derivation: constraint
name: EffectOccurrencePTExtension
type: Extension
elements:
  url:
    pattern: {type: Uri, value: 'https://spms.min-saude.pt/fhir-r4B/iop/StructureDefinition/EffectOccurrencePTExtension'}
    index: 0
  value:
    choices: [valuePeriod]
    index: 2
  valuePeriod: {type: Period, choiceOf: value, index: 3}
  value[x]:
    elements:
      start: {index: 4}
    required: [start]
package_version: 1.0.2-draft
class: extension
kind: complex-type
url: https://spms.min-saude.pt/fhir-r4B/iop/StructureDefinition/EffectOccurrencePTExtension
base: http://hl7.org/fhir/StructureDefinition/Extension
version: 1.0.0