1.
Orzeł-Nowak A, Wcisło A. Blood as a priceless gift – students of Cracow universities and honorary blood donation. Piel21w [Internet]. 2011 Nov. 28 [cited 2025 Jul. 26];10(2(35):61-8. Available from: https://czasopisma.umlub.pl/piel21w/article/view/2652