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APA Citation
Marshall, H., Deppe, M. H., Parra-Robles, J., Hillis, S., Billings, C., Miller, S. R., Watson, J. H., Wolber, J., Lipson, D. A., Lawson, R., & Wild, J. M. (n.d.). s118 Direct visualisation of collateral ventilation in COPD with hyperpolarised Gas MRI. Thorax, 66, A54–A55. http://access.bl.uk/ark:/81055/vdc_100144719406.0x00003a