This is the most important open source of scientific papers from Brazil. Some journals had restricted licences yet, but Scielo policy is the use of Creative Commons license already. More details on these links:
- http://espacio.bvsalud.org/boletim.php?articleId=10162715200903
- https://blog.scielo.org/blog/2014/08/29/scielo-participa-da-coalisao-global-em-defesa-das-licencas-creative-commons-de-acesso-aos-artigos-cientificos
Thanks!