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Zuellig RA, Rader C, Schroeder A, Kalousek MB, Von Bohlen und Halbach F, Osterwalder T, Inan C, Stoeckli ET, Affolter HU, Fritz A, et al.Zuellig RA, et al.Eur J Biochem. 1992 Mar 1;204(2):453-63. doi: 10.1111/j.1432-1033.1992.tb16655.x.Eur J Biochem. 1992.PMID: 1311675Free article.
Ruegg MA, Stoeckli ET, Kuhn TB, Heller M, Zuellig R, Sonderegger P.Ruegg MA, et al.EMBO J. 1989 Jan;8(1):55-63. doi: 10.1002/j.1460-2075.1989.tb03348.x.EMBO J. 1989.PMID: 2714258Free PMC article.