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APA Citation
Gulati, A., Crocker, C., Carrett, J., & Win, T. (n.d.). m17 Improve accuracy of Chronic Obstructive Pulmonary Disease (COPD) diagnosis by offering quality assured spirometry. Thorax, 70, A234. http://access.bl.uk/ark:/81055/vdc_100137793298.0x000029