@article{doi:10.1001/archsurg.2008.553,
author = {Moriwaki Y and Sugiyama M and Toyoda H and et al},
title = {ULtrasonography for the diagnosis of intraperitoneal free air in chest-abdominal-pelvic blunt trauma and critical acute abdominal pain},
journal = {Archives of Surgery},
volume = {144},
number = {2},
pages = {137-141},
year = {2009},
doi = {10.1001/archsurg.2008.553},
URL = { + http://dx.doi.org/10.1001/archsurg.2008.553},
eprint = {/data/Journals/SURG/9746/soa80019_137_141.pdf}
}