This is the ValueSet that contains all the codes in Duration UnitsOfTime dgMP ValueSet (http://ig.fhir.de/igs/medication/ValueSet/DosageUnitsOfTimeDgMP) and Duration UnitsOfTime dgMP ValueSet (http://ig.fhir.de/igs/medication/ValueSet/DosageUnitsOfTimeDgMP). E.g. what you have to deal with if you get resources containing codes in either of them