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APA Citation
Sun, J. H., Twomey, M., Tran, J., & Wallis, L. A. (2012). the need for a usable assessment tool to analyse the efficacy of emergency care systems in developing countries: proposal to use the TEWS methodology. Emergency medicine journal, 29(11), 882–886. http://access.bl.uk/ark:/81055/vdc_100137792074.0x000016