@article{ref1,
title="Incidence of refraction disorders, strabismus and eye injuries in children of the 7-15 years of age group attending special schools in Prague",
journal="Ceskoslovenska Pediatrie",
year="1971",
author="Skala, K.",
volume="26",
number="7",
pages="355-358",
abstract="<p>[Abstract unavailable]</p><p>Language: cs</p>",
language="cs",
issn="0069-2328",
doi="",
url="http://dx.doi.org/"
}