@article{ref1,
title="Pulmonary hematoma due to blunt, nonpenetrating chest injury: report of three cases and reported cases in the Japanese literature (author's transl)",
journal="Nihon Kyobu Shikkan Gakkai Zasshi",
year="1981",
author="Watanabe, Shoko and Sawada, K. and Seki, Y. and Nishizawa, E.",
volume="19",
number="6",
pages="375-381",
abstract="<p>[Abstract unavailable]</p><p>Language: ja</p>",
language="ja",
issn="0301-1542",
doi="",
url="http://dx.doi.org/"
}