Redalyc joins XML JATS4R (JATS for Reuse). For Redalyc the reuse of XML JATS files is essential, both as input, for taking advantage of the XML JATS that the journal already has, and to share with other platforms those that will be generated with the Redalyc’s Marcalyc system. In regard to journals that have articles tagged with XML, derived from the indexing of platforms such as PubMed or Scielo, could be reused after a validation process, which can be done in the following link: