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Ramschak-Schwarzer S, Lipp R, Passath A, Warnkross H, Stiegler-Heinz C, Dobnig H, Wascher T, Leb G.Ramschak-Schwarzer S, et al. Among authors: lipp r.Acta Med Austriaca. 1993;20(3):81-4.Acta Med Austriaca. 1993.PMID: 8396307German.