date
date
draftFHIR Core package4.3.0date1 base
When the study began and ended
Metadata
hl7.org/fhir- Canonical URL
- http://hl7.org/fhir/SearchParameter/ResearchStudy-date
- Code
- date
- Type
- date
Base Resources
ResearchStudy
FHIRPath Expression
ResearchStudy.periodComparators
eqnegtgeltlesaebap