@article{ref1,
title="Placental barrier in carbon monoxide, barbiturate and radium poisoning: some original observations in humans",
journal="American journal of surgery",
year="1950",
author="Martland, Harrison S. and Martland, Harrison S.",
volume="80",
number="3",
pages="270-279",
abstract="KEYWORDS: Suicide<p />",
language="en",
issn="0002-9610",
doi="10.1016/0002-9610(50)90495-8",
url="http://dx.doi.org/10.1016/0002-9610(50)90495-8"
}