http://hl7.org/fhir/StructureDefinition/hla-genotyping-results-allele-database|5.2.0

Allele Database.
NameFlagsCardTypeDescription & Constraints
Extension
0..1Allele Database
 
extension
?..0
 
url
?..?
 
value[x] *
1..?
 
 
valueCodeableConcept *
1..?CodeableConcept