Aleksandra Wilk is an associate professor (PhD, DSc) in the Department of Histology and Embryology at Pomeranian Medical University in Szczecin, Poland.The main focus of the scientific and research interests of Professor Aleksandra Wilk is toxicology, including the field of trace elements and toxic metals. An additional subject of research of the above-mentioned author is an immunosuppressive treatment widely used by organ recipients and its effect on pathological alterations in organs and tissues.