@article{ref1,
title="Oesophageal obstruction due to hygroscopic gum laxative",
journal="Lancet",
year="1980",
author="Sandeman, D. R. and Clements, M. R. and Perrins, E. J.",
volume="1",
number="8164",
pages="364-365",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0140-6736",
doi="",
url="http://dx.doi.org/"
}