@article{ref1,
title="On the constitution of tetrodotoxin",
journal="Chemical and pharmaceutical bulletin",
year="1958",
author="Tsuda, K. and Kawamura, M. and Hayatsu, R.",
volume="6",
number="2",
pages="225-226",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0009-2363",
doi="",
url="http://dx.doi.org/"
}