description: 'The repeated period in a cyclical schedule (of one or more dosing instructions). A cyclic schedule is noted in days, the corresponding dosing duration is also in days.\r\n\r\nExamples of a cyclical schedule: contraceptive pill (21 days, 1 pill 1x a day, then skip for 7 days, repeat), repeat period here is 28 days.' package_name: PGO.02 derivation: constraint name: Zib Medication RepeatPeriodCyclicalSchedule type: Extension elements: url: pattern: {type: Uri, value: 'http://nictiz.nl/fhir/StructureDefinition/zib-Medication-RepeatPeriodCyclicalSchedule'} index: 0 valueDuration: type: Duration short: RepeatPeriodCyclicalSchedule index: 1 slicing: slices: valueDuration: match: {} schema: {type: Duration, short: RepeatPeriodCyclicalSchedule, index: 1} package_version: 1.02.1 class: extension kind: complex-type url: http://nictiz.nl/fhir/StructureDefinition/zib-Medication-RepeatPeriodCyclicalSchedule base: http://hl7.org/fhir/StructureDefinition/Extension version: '2.0'