@article{ref1,
title="Right-left traffic",
journal="Nordisk Medicin",
year="1961",
author="Lindgren, S.",
volume="65",
number="",
pages="376-377",
abstract="<p>[Abstract unavailable]</p><p>Language: sv</p>",
language="sv",
issn="0029-1420",
doi="",
url="http://dx.doi.org/"
}