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Helm O, Held-Feindt J, Grage-Griebenow E, Reiling N, Ungefroren H, Vogel I, Krüger U, Becker T, Ebsen M, Röcken C, Kabelitz D, Schäfer H, Sebens S.Helm O, et al.Int J Cancer. 2014 Aug 15;135(4):843-61. doi: 10.1002/ijc.28736. Epub 2014 Feb 5.Int J Cancer. 2014.PMID: 24458546Free article.