@article{ref1,
title="Accidental oral poisonings in two hospitals in Medan",
journal="Paediatrica Indonesiana",
year="1971",
author="Tjaij, J. K. and Aziz, D. and Irawati, T. and Halim, S.",
volume="11",
number="2",
pages="47-57",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0030-9311",
doi="",
url="http://dx.doi.org/"
}