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APA Citation
Pilcher, J., Cameron, L., Braithwaite, I., Bowles, D., Swain, A., Bailey, M., Weatherall, M., Beasley, R., & Perrin, K. (2015). comparative audit of oxygen use in the prehospital setting in acute COPD exacerbation over 5 years. Emergency medicine journal, 32(3), 234–238. http://access.bl.uk/ark:/81055/vdc_100135166302.0x00000d