The efficacy and quality of biosimilars are equivalent to those of the original medicines.

The generic drug war that took place at the end of the last century will be seen as child's play compared to the one that is brewing with the latest generation of drugs, known as biological medicines.

Check out the article in El Pais: http://brasil.elpais.com/brasil/2016/08/02/ciencia/1470125640_368210.html