<DocumentReference xmlns="http://hl7.org/fhir"><id value="example-genomicfile-nm0020245"/><identifier><system value="http://www.somesystemabc.net/identifiers/files"/><value value="11111"/></identifier><status value="current"/><docStatus value="preliminary"/><description value="A sample Document Reference instance representing Homo sapiens FMRP translational regulator 1 (FMR1), transcript variant ISO1, mRNA."/><securityLabel><coding><system value="http://terminology.hl7.org/CodeSystem/v3-Confidentiality"/><code value="R"/><display value="Restricted"/></coding></securityLabel><content><attachment><contentType value="text/html"/><url value="https://www.ncbi.nlm.nih.gov/nuccore/NM_002024.5?report=fasta"/><title value="Homo sapiens FMRP translational regulator 1 (FMR1), transcript variant ISO1, mRNA"/></attachment></content></DocumentReference>