@article{Luthi_Méan_Ammon_2002, title={Evaluation of a population-based prevention program against influenza among Swiss elderly people}, volume={132}, url={https://smw.ch/index.php/smw/article/view/221}, DOI={10.4414/smw.2002.10087}, number={4142}, journal={Swiss Medical Weekly}, author={Luthi, J-C and Méan, F and Ammon, C}, year={2002}, month={Oct.}, pages={592–592} }