RT Journal Article SR Electronic T1 Increased exercise tolerance using daytime mouthpiece ventilation for patients with diaphragm paralysis JF Breathe JO Breathe FD European Respiratory Society SP 225 OP 229 DO 10.1183/20734735.005817 VO 13 IS 3 A1 Maud Koopman A1 Lowie E.G.W. Vanfleteren A1 Sander Steijns A1 Emiel F.M. Wouters A1 Roy Sprooten YR 2017 UL http://breathe.ersjournals.com/content/13/3/225.abstract AB