@article{ref1,
title="A shot in the dark",
journal="JAMA journal of the American Medical Association",
year="1968",
author="Littell, J. J.",
volume="203",
number="11",
pages="989-989",
abstract="Abstract unavailable.",
language="",
issn="0098-7484",
doi="",
url="http://dx.doi.org/"
}