@article{Nydegger_2006, title={Transfusion dependency of cardiac surgery - update 2006}, volume={136}, url={https://smw.ch/index.php/smw/article/view/681}, DOI={10.4414/smw.2006.11651}, number={4950}, journal={Swiss Medical Weekly}, author={Nydegger, U.}, year={2006}, month={Dec.}, pages={781–788} }