@ARTICLE {4985,
author={E.C. Pinheiro and O. Postolache and P.M. Girão},
doi={},
journal={The Open Biomedical Engineering Journal},
title={Theory and Developments in an Unobtrusive Cardiovascular System Representation: Ballistocardiography},
year={2010},
month={October},
volume={4},
number={1},
pages={201-216},
ISSN={}
}