Auto-adjusting CPAP based on impedance versus bilevel pressure in difficult-to-treat sleep apnea syndrome: a

Winfried J Randerath1, Wolfgang Galetke, Karl-Heinz Ruhle

  • 1Department for Pneumology, Allergology and Sleep Medicine, University Witten/Herdecke, Germany. ramderath@klinik-bethanien.de

Abstract

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