@article{ref1,
title="Caravans and infant mortality",
journal="Royal Society of Health journal",
year="1961",
author="Stephens, L. S.",
volume="81",
number="",
pages="317-321",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0035-9130",
doi="",
url="http://dx.doi.org/"
}