BibTex format
@article{Dixon:1990:10.1007/BF00314797,
author = {Dixon, MS and Thomas, P and Sheridan, DJ},
doi = {10.1007/BF00314797},
journal = {Eur J Clin Pharmacol},
pages = {21--24},
title = {A randomized double-blind study of bisoprolol versus atenolol in mild to moderate essential hypertension.},
url = {http://dx.doi.org/10.1007/BF00314797},
volume = {38},
year = {1990}
}