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Gschwantler M, Bischof M, Singer E, Weiss W.Gschwantler M, et al. Among authors: weiss w.Wien Med Wochenschr. 2002;152(5-6):128-34. doi: 10.1046/j.1563-258x.2002.02011.x.Wien Med Wochenschr. 2002.PMID: 11998561Review.German.