?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Mariacristina&rft.aulast=Gagliardi&rft.au=Gagliardi%2C+Mariacristina&rft.atitle=Study+of+drug+release+mechanisms+from+PLGA%2FPHBHV+bi-layered+biodegradable+polymeric+matrices&rft.date=2009&rft.issue=1&rft.volume=7&rft.title=Journal+of+Applied+Biomaterials+%26+Biomechanics&rft.issn=1722-6899&rft.pages=64&rft.genre=article