PIP breast implants: ’serious lessons must be learned’ | BBC News
http://www.bbc.co.uk/news/health-18057761
Between 2003 and 2010 more than 20 letters were sent from the MHRA to PIP raising concerns about the implants. In hindsight, “this body of evidence could be seen as suggestive of a problematic manufacturer.”
(...) "Poor post-marketing surveillance of medical devices lies at the root of the PIP crisis.