@article{doi:10.1001/jama.2012.162,
author = {Feld RI},
title = {DIagnostic ultrasound},
journal = {JAMA},
volume = {307},
number = {7},
pages = {730-731},
year = {2012},
doi = {10.1001/jama.2012.162},
URL = { + http://dx.doi.org/10.1001/jama.2012.162},
eprint = {/data/Journals/JAMA/22490/jbk0215_730_731.pdf}
}