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