?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Vespasiani-Gentilucci&rft.au=Vespasiani-Gentilucci%2C+U&rft.aufirst=U&rft.date=25+June+2014&rft.title=Gut&rft.atitle=Boosting+pigment+epithelial-derived+factor%3A+a+promising+approach+for+the+treatment+of+early+portal+hypertension&rft.issn=1468-3288&rft.genre=article