WHITE BLOOD CELLS IN POLISH ATHLETES OF VARIOUS SPORTS DISCIPLINES

by Joanna Orysiak, Konrad Witek, Piotr Zmijewski, Jan Gajewski
Published 2012-04-01

The Association between Iron and Vitamin D Status in Female Elite Athletes

by Jadwiga Malczewska-Lenczowska, Dariusz Sitkowski, Olga Surała, Joanna Orysiak, Beata Szczepańska, Konrad Witek
Published 2018-01-01

The Effect of Vitamin D₃ Supplementation on Hepcidin, Iron, and IL-6 Responses After a 100 km Ultra-Marathon

by Katarzyna Kasprowicz, Wojciech Ratkowski, Wojciech Wołyniec, Mariusz Kaczmarczyk, Konrad Witek, Piotr Żmijewski, Marcin Renke, Zbigniew Jastrzębski, Thomas Rosemann, Pantelis T. Nikolaidis, Beat Knechtle
Published 2020-04-01