@article{ref1,
title="The challenges of estimating the cost of traumatic brain injury worldwide - Editorial",
journal="Neurosurgical focus",
year="2018",
author="Timmons, Shelly D.",
volume="44",
number="5",
pages="E8-E8",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="1092-0684",
doi="10.3171/2018.2.FOCUS1888",
url="http://dx.doi.org/10.3171/2018.2.FOCUS1888"
}