@article{ref1,
title="Statistical analysis of traumatic damage to permanent teeth in children and adolescents treated at the Outpatient Clinic of the Department of Pediatric Stomatology Institute of the Medical Academy in Warsaw",
journal="Czasopismo stomatologiczne",
year="1977",
author="Szymańska-Jachimczak, E. I. and Szpringer-Nodzak, M.",
volume="30",
number="9",
pages="689-693",
abstract="<p>[Abstract unavailable]</p><p>Language: pl</p>",
language="pl",
issn="0011-4553",
doi="",
url="http://dx.doi.org/"
}