@ARTICLE{
author={Duengen Hans-Dirk,Mehrhof Felix,Apostolovic Svetlana R,Inkrot Simone,Dietz Rainer},
year={2009},
title={Beta-blocker tolerability in elderly heart failure patients},
journal={INTERNATIONAL JOURNAL OF CARDIOLOGY},
volume={136},
number={1},
pages={93-94},
document_type={Article},
}