@article{doi:10.1001/archpediatrics.2011.47,
author = {Joffe AR and Anton NR and Burkholder SC},
title = {Reduction in hospital mortality over time in a hospital without a pediatric medical emergency team: Limitations of before-and-after study designs},
journal = {Archives of Pediatrics & Adolescent Medicine},
volume = {165},
number = {5},
pages = {419-423},
year = {2011},
doi = {10.1001/archpediatrics.2011.47},
URL = { + http://dx.doi.org/10.1001/archpediatrics.2011.47},
eprint = {/data/Journals/PEDS/9301/poa05112_419_423.pdf}
}