@article{ref1,
title="Snakebite during pregnancy. Report of 4 cases",
journal="Obstetrics and gynecology",
year="1966",
author="Parrish, H. M. and Khan, M. S.",
volume="27",
number="4",
pages="468-471",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0029-7844",
doi="",
url="http://dx.doi.org/"
}