The novel ribosome biogenesis inhibitor usnic acid blocks nucleolar pre-60S maturation oleh Lisa Kofler, Lorenz Grundmann, Magdalena Gerhalter, Michael Prattes, Juliane Merl-Pham, Gertrude Zisser, Irina Grishkovskaya, Victor-Valentin Hodirnau, Martin Vareka, Rolf Breinbauer, Stefanie M. Hauck, David Haselbach, Helmut Bergler