Generated Narrative: ValueSet all-time-units

<status value="draft"/><experimental value="false"/><publisher value="HL7 International / FHIR Infrastructure"/><contact><telecom><system value="url"/><value value="http://www.hl7.org/Special/committees/fiwg"/></telecom></contact><description value="Unified Code for Units of Measure (UCUM). This value set includes all possible UCUM codes used for time measures (Age, Duration etc.) - that it is, all units which have the same canonical unit as 'a' (year)"/><copyright value="The UCUM codes, UCUM table (regardless of format), and UCUM Specification are copyright © 1999-2009, Regenstrief Institute, Inc. and the Unified Codes for Units of Measures (UCUM) Organization. All rights reserved."/><compose><include><system value="http://unitsofmeasure.org"/><filter><property value="canonical"/><op value="="/><value value="a"/></filter></include></compose></ValueSet>