@article{ref1,
title="Heart block in a child of ten years following trauma to the precordium",
journal="American journal of diseases of children (1911)",
year="1924",
author="Rosenson, William",
volume="28",
number="5",
pages="594-596",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0099-0698",
doi="10.1001/archpedi.1924.04120230070008",
url="http://dx.doi.org/10.1001/archpedi.1924.04120230070008"
}