Aveva Drug Delivery Systems Launches Generic Fentanyl TDS, it's Third Successful Complex Transdermal Drug Product Launch in 15 Months /PRNewswire/ -- Aveva Drug Delivery systems (A DifGen company), a leader in transdermal drug delivery systems based out of Miramar - Florida is proud to ... prnewswire.com prnewswire.com / feeds prnewswire-com-news-releases .. prnewswire-com-financial-services / / #news / / 4 days 4d Share