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APA Citation
Agricola, E., Arbelot, C., Blaivas, M., Bouhemad, B., Copetti, R., Dean, A., Dulchavsky, S., Elbarbary, M., Gargani, L., Hoppmann, R., Kirkpatrick, A. W., Lichtenstein, D., Liteplo, A., Mathis, G., Melniker, L., Neri, L., Noble, V. E., Petrovic, T., Reissig, A., Rouby, J. J., Seibel, A., Soldati, G., Storti, E., Tsung, J. W., Via, G., & Volpicelli, G. (2011). ultrasound performs better than radiographs. Thorax, 66(9), 828–829. http://access.bl.uk/ark:/81055/vdc_100137792421.0x000031