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APA Citation
Langer, D., Charususin, N., Jácome, C., Hoffman, M., McConnell, A., Decramer, M., & Gosselink, R. (2015). efficacy of a Novel Method for Inspiratory Muscle Training in People With Chronic Obstructive Pulmonary Disease. Physical therapy, 95(9), 1264–1273. http://access.bl.uk/ark:/81055/vdc_100098454627.0x00004e