@article{ref1,
title="Opium poisoning in Vietnamese infants",
journal="Southeast Asian journal of tropical medicine and public health",
year="1973",
author="Trinh-Thi-Minh-HA,  and Nguyen-Hac-Huong-Thu, ",
volume="4",
number="4",
pages="593-595",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0125-1562",
doi="",
url="http://dx.doi.org/"
}