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Lorch A, Kleinhans A, Kramar A, Kollmannsberger CK, Hartmann JT, Bokemeyer C, Rick O, Beyer J.Lorch A, et al. Among authors: rick o.J Clin Oncol. 2012 Mar 10;30(8):800-5. doi: 10.1200/JCO.2011.38.6391. Epub 2012 Jan 30.J Clin Oncol. 2012.PMID: 22291076Clinical Trial.
Hartmann JT, Gauler T, Metzner B, Gerl A, Casper J, Rick O, Horger M, Schleicher J, Derigs G, Mayer-Steinacker R, Beyer J, Kuczyk MA, Bokemeyer C; German Testicular Cancer Study Group.Hartmann JT, et al. Among authors: rick o.J Clin Oncol. 2007 Dec 20;25(36):5742-7. doi: 10.1200/JCO.2007.11.9099.J Clin Oncol. 2007.PMID: 18089869Clinical Trial.
Lorch A, Rick O, Wündisch T, Hartmann JT, Bokemeyer C, Beyer J.Lorch A, et al. Among authors: rick o.J Urol. 2010 Jul;184(1):168-73. doi: 10.1016/j.juro.2010.03.017. Epub 2010 May 16.J Urol. 2010.PMID: 20483152Clinical Trial.
Beyer J, Rick O, Siegert W, Bokemeyer C.Beyer J, et al. Among authors: rick o.World J Urol. 2001 Apr;19(2):90-3. doi: 10.1007/pl00007095.World J Urol. 2001.PMID: 11374323Review.