@article{ref1,
title="Recreation of children and adolescents. Variation of the blood picture as indicator of its effectiveness",
journal="Casopis Lekaru Ceskych",
year="1970",
author="Kapalín, V.",
volume="109",
number="50",
pages="1165-1170",
abstract="<p>[Abstract unavailable]</p><p>Language: cs</p>",
language="cs",
issn="0008-7335",
doi="",
url="http://dx.doi.org/"
}