?url_ver=Z39.88-2004&rft_id=10.2527%2Fjas.2012-5448&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aufirst=Julio+Francisco&rft.au=D%C3%ADaz+Berrocoso%2C+Julio+Francisco&rft.aulast=D%C3%ADaz+Berrocoso&rft.issn=0021-8812&rft.atitle=Influence+of+crude+protein+content%2C+ingredient+complexity%2C+feed+form%2C+and+duration+of+feeding+of+the+phase+I+diets+on+productive+performance+and+nutrient+digestibility+of+Iberian+pigs.&rft.volume=91&rft.date=March+2013&rft.pages=1237-1246&rft.title=Journal+of+Animal+Science&rft.issue=3&rft.genre=article