description: Holds a Document Object Identifier (DOI) and a citation string of an algorithm. package_name: de.medizininformatikinitiative.use-case.omi derivation: constraint name: DOIextension type: Extension elements: extension: index: 0 slicing: slices: doi: match: {} schema: mustSupport: true _required: true index: 1 extensions: {} elements: extension: {index: 2} url: pattern: {type: Uri, value: doi} index: 3 value: choices: [valueString] index: 5 valueString: {type: string, choiceOf: value, index: 6} citation: match: {} schema: mustSupport: true index: 7 extensions: {} elements: extension: {index: 8} url: pattern: {type: Uri, value: citation} index: 9 value: choices: [valueString] index: 11 valueString: {type: string, choiceOf: value, index: 12} url: pattern: {type: Uri, value: 'http://omi.de/fhir/registry/StructureDefinition/doi-extension'} index: 13 value: choices: [] index: 15 package_version: 0.3.10 extensions: doi: url: null mustSupport: true _required: true index: 1 extensions: {} elements: extension: {index: 2} url: pattern: {type: Uri, value: doi} index: 3 value: choices: [valueString] index: 5 valueString: {type: string, choiceOf: value, index: 6} citation: url: null mustSupport: true index: 7 extensions: {} elements: extension: {index: 8} url: pattern: {type: Uri, value: citation} index: 9 value: choices: [valueString] index: 11 valueString: {type: string, choiceOf: value, index: 12} class: extension kind: complex-type url: http://omi.de/fhir/registry/StructureDefinition/doi-extension base: http://hl7.org/fhir/StructureDefinition/Extension version: 0.3.10 required: [extension]