@article{ref1,
title="Medical control over physical education in preschool institutions",
journal="Medicinskaja Sestra",
year="1979",
author="Iashchenko, L. B.",
volume="38",
number="11",
pages="34-39",
abstract="<p>[Abstract unavailable]</p><p>Language: ru</p>",
language="ru",
issn="0025-8342",
doi="",
url="http://dx.doi.org/"
}