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APA Citation
Brown, T., Dettmar, P., Morice, A., Hart, S., & Crooks, M. (n.d.). p188 A feasibility study of salivary pepsin measurement to assess airways reflux in exacerbating copd patients. Thorax, 72, A184–A185. http://access.bl.uk/ark:/81055/vdc_100135179695.0x000032