@article{ref1,
title="Intestinal obstruction caused by foreign bodies",
journal="AMB, Revista da Associação Médica Brasileira",
year="1973",
author="Moreira, A. and Magalhães, A. de A.",
volume="19",
number="11",
pages="493-494",
abstract="<p>[Abstract unavailable]</p><p>Language: pt</p>",
language="pt",
issn="0102-843X",
doi="",
url="http://dx.doi.org/"
}