@article{ref1,
title="Foreign body lodged in the duodenum in a 9 month old infant",
journal="Acta pediátrica Española",
year="1951",
author="Roviralta, E. and Picañol, J.",
volume="9",
number="97",
pages="65-68",
abstract="<p>[Abstract unavailable]</p><p>Language: un</p>",
language="un",
issn="0001-6640",
doi="",
url="http://dx.doi.org/"
}