@article{ref1,
title="Use of an international data bank to compare outcome following severe head injury in different centres",
journal="Statistics in Medicine",
year="1986",
author="Murray, G. D.",
volume="5",
number="2",
pages="103-112",
abstract="The advantages and drawbacks of basing treatment comparisons on observational data are discussed. Recommendations are made for minimizing bias when basing comparisons on computerized data banks. A specific example is given concerning treatment following severe head injury.<p /><p>Language: en</p>",
language="en",
issn="0277-6715",
doi="",
url="http://dx.doi.org/"
}