@INPROCEEDINGS {7355,
author={O. Postolache and P.M. Girão and J M Joaquim and G. Postolache},
doi={},
booktitle={IEEE International Workshop on Medical Measurements and},
title={Unobstrusive Heart Rate and Respiratory Rate Monitor Embedded on a Wheelchair},
year={2009},
month={May},
volume={1},
pages={1-6} 
}