Łańczak, Anna, Aneta Choręziak, Maria Płocka, Anna Sadowska-Przytocka, Magdalena Czarnecka-Operacz, Zygmunt Adamski, and Dorota Jenerowicz. “Nickel-Free Environment- Dreams Vs. Reality.”. Journal of Medical Science 88, no. 3 (October 1, 2019): 150-155. Accessed November 12, 2019. http://jms.ump.edu.pl/index.php/JMS/article/view/357.