?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Luo%2C+L&rft.aufirst=L&rft.aulast=Luo&rft.issue=1-2&rft.title=International+Journal+of+Pharmaceutics&rft.issn=1873-3476&rft.pages=155-164&rft.date=21+May+2015&rft.atitle=Topical+and+transdermal+delivery+of+caffeine.&rft.volume=490&rft.genre=article