description: Dispensed Drug Strength package_name: ca.on.ehr.r4 derivation: constraint name: MedicationStrength type: Extension elements: url: pattern: {type: Uri, value: 'http://ehealthontario.ca/fhir/StructureDefinition/ca-on-medications-ext-medication-strength'} index: 0 value: mustSupport: true choices: [valueString] index: 2 valueString: {type: string, mustSupport: true, choiceOf: value, index: 3} package_version: 1.0.0-snapshot3 class: extension kind: complex-type url: http://ehealthontario.ca/fhir/StructureDefinition/ca-on-medications-ext-medication-strength base: http://hl7.org/fhir/StructureDefinition/Extension version: 3.0.0