@article{ref1,
title="Observations on the Inhalation of Sulphuric Æther",
journal="Provincial medical and surgical journal (1844)",
year="1847",
author="Hawkins, Clement",
volume="11",
number="3",
pages="81-82",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="2041-997X",
doi="",
url="http://dx.doi.org/"
}