@article{ref1,
title="The development of aviation medicine: towards greater passenger safety",
journal="Scottish medical journal",
year="1999",
author="Johnston, R. V.",
volume="44",
number="6",
pages="174-175",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0036-9330",
doi="",
url="http://dx.doi.org/"
}