C Langer, E Lengfelder, J Thiele, HM Kvasnicka, HL Pahl, H Beneke, S Schauer, H Gisslinger, M Griesshammer. Pegylated interferon for the treatment of high risk essential thrombocythemia: results of a phase II study. Haematologica 2005;90(10):1333-1338; https://doi.org/10.3324/%x.