This code system http://hl7.org/fhir/citation-classification-type defines the following codes:

Code Display Definition
citation-source Citation Source Citation repository where this citation was created or copied from
medline-owner MEDLINE Citation Owner The party responsible for creating and validating the MEDLINE citation
fevir-platform-use FEvIR Platform Use Used for Citation sharing on the Fast Evidence Interoperability Resources (FEvIR) Platform
<status value="active"/> <experimental value="false"/> <date value="2021-03-11T10:55:11.085+11:00"/> <publisher value="HL7 (FHIR Project)"/> <contact> <telecom> <system value="url"/> <value value="http://hl7.org/fhir"/> </telecom> <telecom> <system value="email"/> <value value="fhir@lists.hl7.org"/> </telecom> </contact> <description value="Citation classification type"/> <jurisdiction> <coding> <system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/> <code value="001"/> <display value="World"/> </coding> </jurisdiction> <caseSensitive value="true"/> <valueSet value="http://hl7.org/fhir/ValueSet/citation-classification-type"/> <content value="complete"/> <concept> <code value="citation-source"/> <display value="Citation Source"/> <definition value="Citation repository where this citation was created or copied from"/> </concept> <concept> <code value="medline-owner"/> <display value="MEDLINE Citation Owner"/> <definition value="The party responsible for creating and validating the MEDLINE citation"/> </concept> <concept> <code value="fevir-platform-use"/> <display value="FEvIR Platform Use"/> <definition value="Used for Citation sharing on the Fast Evidence Interoperability Resources (FEvIR) Platform"/> </concept> </CodeSystem>