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APA Citation
Lakhanpaul, M., MacFaul, R., Werneke, U., Armon, K., Hemingway, P., & Stephenson, T. (2009). an evidence-based guideline for children presenting with acute breathing difficulty. Emergency medicine journal, 26(12), 850–853. http://access.bl.uk/ark:/81055/vdc_100137791913.0x000012