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Bartram, U; Demertzis, S; Heilmann, M; Wahlers, T; Schäfers, H J (1997). [Unilateral vs. bilateral lung transplantation in obstructive pulmonary disease]. Medizinische Klinik, -(92 Suppl 5), 8-12, 14. München: Springer-Medizin-Verlag 10.1007/BF03041973