The content of cadmium and lead in the teeth of people from different age groups [elektronický zdroj] / K Gospodarczyk...[et al.] .
In: Animal physiology 2011 / Animal physiology [1 CD-ROM [449] s.]. -- Nitra : Slovak University of Agriculture. 2011. -- ISBN 978-80-552-0582-3. -- S. 63-70
http://www.slpk.sk/eldo//2013/zborniky/013-13/1/gospodarczyk.pdf .