@article{doi:10.1001/archinte.168.22.2431,
author = {Pitt B},
title = {COmparative effectiveness of β-blockers in elderly patients with heart failure—invited commentary},
journal = {Archives of Internal Medicine},
volume = {168},
number = {22},
pages = {2431-2432},
year = {2008},
doi = {10.1001/archinte.168.22.2431},
URL = { + http://dx.doi.org/10.1001/archinte.168.22.2431},
eprint = {/data/Journals/INTEMED/5729/iic80010_2431_2432.pdf}
}