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Koopman, Maud, Lowie E.G.W Vanfleteren, Sander Steijns, Emiel F.M Wouters, and Roy Sprooten. "Increased Exercise Tolerance Using Daytime Mouthpiece Ventilation for Patients With Diaphragm Paralysis." Breathe (Sheff) 2017.

Koopman, Maud, et al. "Increased Exercise Tolerance Using Daytime Mouthpiece Ventilation for Patients With Diaphragm Paralysis." Breathe (Sheff) 2017.