@article{ref1,
title="Excess mortality",
journal="MMWR: Morbidity and mortality weekly report",
year="1955",
author="Centers for Disease Control and Prevention, USA, ",
volume="4",
number="32",
pages="1-2",
abstract="This is the 6th successive week that the number of deaths reported in the major cities exceeded the 3-year median for the corresponding week, 1952 to 1954.This increase in deaths during July and the first half of August is associated with the prolonged hot spell experienced by a large section of the United States.",
language="en",
issn="0149-2195",
doi="",
url="http://dx.doi.org/"
}