@article{Wan_2009,
title={Acute Appendicitis in Young Children: Cost-effectiveness of US versus CT in Diagnosis—A Markov Decision Analytic Model},
volume={250},
ISSN={1527-1315},
url={http://dx.doi.org/10.1148/radiol.2502080100},
DOI={10.1148/radiol.2502080100},
number={2},
journal={Radiology},
publisher={Radiological Society of North America (RSNA)},
author={Wan,
Michael J. and Krahn,
Murray and Ungar,
Wendy J. and Çaku,
Edona and Sung,
Lillian and Medina,
L. Santiago and Doria,
Andrea S.},
year={2009},
month=feb,
pages={378–386} }