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Schaefer-Prokop C, Nöbauer I, Weidekamm C, Katz-Papatheophilou E.Schaefer-Prokop C, et al. Among authors: weidekamm c.Wien Med Wochenschr. 2001;151(21-23):520-3.Wien Med Wochenschr. 2001.PMID: 11762246Review.German.