@article{ref1,
title="Basic patterns in the receipt of calls for medical first aid according to time in different types of cities",
journal="Sovetskoe Zdravookhranenie",
year="1973",
author="Kustova, E. A.",
volume="32",
number="10",
pages="11-15",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0038-5239",
doi="",
url="http://dx.doi.org/"
}