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by W. J. Randerath
by C. T. Bolliger
by A. B. du Bois
by Societas Europaea Physiologiae Clinicae Respirator
by Felix J. F. Herth
by J. Piiper
by A. Zapletal
by T. T. Hansel
by R. S. Mitchell
by J. Herget
by J. Widimsky
by F. E. Udwadia
by Ulrich Costabel
by Claudia Bauer-Kemeny