Inspiratory muscle training protocol for patients with chronic obstructive pulmonary disease (IMTCO study): a multicentre randomised controlled trial
Noppawan Charususin, Rik Gosselink, Marc Decramer, Alison McConnell, Didier Saey, Francois Maltais, Eric Derom, Stefanie Vermeersch, Hanneke van Helvoort, Yvonne Heijdra, Mariska Klaassen, Rainer Glöckl, Klaus Kenn, Daniel Langer
BMJ Open Aug 2013, 3 (8) e003101; DOI: 10.1136/bmjopen-2013-003101