This is the ValueSet that contains all the codes in Type de titre Value Set (https://interop.esante.gouv.fr/ig/fhir/eclaire/ValueSet/eclaire-study-title-type-vs) and Type de titre Value Set (https://interop.esante.gouv.fr/ig/fhir/eclaire/ValueSet/eclaire-study-title-type-vs). E.g. what you have to deal with if you get resources containing codes in either of them