?url_ver=Z39.88-2004&rft_id=10.1016%2Fj.soard.2012.09.011&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.au=Bryant%2C+Eleanor&rft.aufirst=Eleanor&rft.aulast=Bryant&rft.title=Surgery+for+Obesity+and+Related+Diseases&rft.issn=1550-7289&rft.volume=9&rft.atitle=Relationships+among+tonic+and+episodic+aspects+of+motivation+to+eat%2C+gut+peptides%2C+and+weight+before+and+after+bariatric+surgery&rft.issue=5&rft.date=2013&rft.genre=article