BibTex format
@article{Ashrafian:2008:10.1161/CIRCULATIONAHA.107.721027,
author = {Ashrafian, H and le, Roux CW and Darzi, A and Athanasiou, T},
doi = {10.1161/CIRCULATIONAHA.107.721027},
journal = {CIRCULATION},
pages = {2091--2102},
title = {Effects of Bariatric Surgery on Cardiovascular Function},
url = {http://dx.doi.org/10.1161/CIRCULATIONAHA.107.721027},
volume = {118},
year = {2008}
}