toxicology testing
...that about one million animals are used every year in Europe in toxicology testing?
...that about one million <a href="./Animal_testing" id="mwCUY" rel="mw:WikiLink" title="Animal testing">animals</a> are used every year in <a href="./Europe" id="mwCUc" rel="mw:WikiLink" title="Europe">Europe</a> in <b id="mwCUg"><a href="./Toxicology_testing" id="mwCUk" rel="mw:WikiLink" title="Toxicology testing">toxicology testing</a></b>?