This is the ValueSet that contains all the codes in BRFreqUsoSubstancia (https://terminologia.saude.gov.br/fhir/ValueSet/BRFreqUsoSubstancia) and BRFreqUsoSubstancia (https://terminologia.saude.gov.br/fhir/ValueSet/BRFreqUsoSubstancia). E.g. what you have to deal with if you get resources containing codes in either of them