Implications of demographics on future blood supply: a population-based cross-sectional study.Published in:Transfusion, 2011, v. 51, n. 4, p. 702, doi. 10.1111/j.1537-2995.2010.02882.xBy:Greinacher, Andreas;Fendrich, Konstanze;Brzenska, Ralf;Kiefel, Volker;Hoffmann, WolfgangPublication type:Article