Declaration of HelsinkiEthical Principles for Medical Research (Helsinki, Finland, June 1964 >>> Fortaleza, Brazil, October 2013)https://www.ausl.bologna.it/eventi/archivio/auslevent.2013-12-09.2642670471https://www.ausl.bologna.it/eventi/archivio/auslevent.2013-12-09.2642670471/@@download/image/Helsinki.bmp