@article{ref1,
title="Oesophageal strictures induced by herbal preparations",
journal="Transactions of the Royal Society of Tropical Medicine and Hygiene",
year="1981",
author="Anyanwu, C. H. and Okonkwo, P. O.",
volume="75",
number="6",
pages="864-868",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0035-9203",
doi="",
url="http://dx.doi.org/"
}