urn:ddi:int.example:34f09955-55d8-4b10-8063-463681bc9997:1 int.example 34f09955-55d8-4b10-8063-463681bc9997 1 extension:ShouldCalculateFrequenciesForValidValues True extension:ShouldCalculateFrequenciesForInvalidValues True el-masri@dezim-institut.de Remote + En C02_g Maskenexperiment: Split Mask experiment: split int.example ae953b01-6b0d-4234-843f-958086a64c6a 1 CodeList