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APA Citation
Gamper, E., Schmidt, U., Bansi, J., & Kool, J. (2019). outdoor Walking Training Compared To Cycle Ergometer Training in Severe COPD: A Randomized Controlled Feasibility Trial. COPD, 16, 37–44. http://access.bl.uk/ark:/81055/vdc_100085340766.0x000014