@article{ref1,
title="Fetal anoxia and methods of preventing it; analysis of 200 cases",
journal="Anais Brasileiros de Ginecologia",
year="1957",
author="Da costa, L. C.",
volume="44",
number="2",
pages="77-94",
abstract="<p>[Abstract unavailable]</p><p>Language: pt</p>",
language="pt",
issn="",
doi="",
url="http://dx.doi.org/"
}