Toxic elements in free-living freshwater fish, water and sediments in Poland
Szkoda, Józef, Żmudzki, Jan, Nawrocka, Agnieszka, Kmiecik, Mirosława
Concentrations of toxic elements in tissues of slaughtered animals and cow’s milk - a five year study
Szkoda, Józef, Żmudzki, Jan, Nawrocka, Agnieszka, Kmiecik, Mirosława