This is the ValueSet that contains all the codes in BarSoapDrugForm (http://terminology.hl7.org/ValueSet/v3-BarSoapDrugForm) and BarSoapDrugForm (http://terminology.hl7.org/ValueSet/v3-BarSoapDrugForm). E.g. what you have to deal with if you get resources containing codes in either of them