@article{doi:10.1001/jama.2009.931,
author = {Schaefer G and Emanuel EJ and Wertheimer A},
title = {THe obligation to participate in biomedical research},
journal = {JAMA},
volume = {302},
number = {1},
pages = {67-72},
year = {2009},
doi = {10.1001/jama.2009.931},
URL = { + http://dx.doi.org/10.1001/jama.2009.931},
eprint = {/data/Journals/JAMA/4470/jsc90004_67_72.pdf}
}