@article{ref1,
title="Heparin therapy in a patient bitten by a saw-scaled viper (Echis carinatus), a snake whose venom activates prothrombin",
journal="American journal of medicine",
year="1973",
author="Weiss, H. J. and Phillips, L. L. and Hopewell, William S. and Phillips, G. and Christy, N. P. and Nitti, J. F.",
volume="54",
number="5",
pages="653-662",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9343",
doi="",
url="http://dx.doi.org/"
}