@Article{Mackiewicz1999,
journal="Contemporary Oncology/Współczesna Onkologia",
issn="1428-2526",
volume="3",
number="3",
year="1999",
title="www. virtualtrials. com \– a wide, new database concerning brain tumors",
abstract="The internet site  www. virtualtrials. com  is a professionally designed database for physicians and patients as well. It contains a broad spectrum of information concerning brain tumors. Despite the fact that this site has been created recently, it may shortly become a very valuable source of information in this field of oncology, due to the wide database and continuous updating.",
author="Mackiewicz, Małgorzata
and Wysocki, Piotr",
pages="110--111",
url="https://www.termedia.pl/www-virtualtrials-com-8211-a-wide-new-database-concerning-brain-tumors,3,772,1,1.html"
}