@article{doi:10.1001/archinte.1969.00300210123028,
author = {Wachtel HL},
title = {BAllistocardiography.},
journal = {Archives of Internal Medicine},
volume = {124},
number = {5},
pages = {641-642},
year = {1969},
doi = {10.1001/archinte.1969.00300210123028},
URL = { + http://dx.doi.org/10.1001/archinte.1969.00300210123028},
eprint = {/data/Journals/INTEMED/15757/archinte_124_5_028.pdf}
}