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APA Citation
des Varannes, S. B., Mion, F., Ducrotté, P., Zerbib, F., Denis, P., Ponchon, T., Thibault, R., & Galmiche, J. P. (2005). simultaneous recordings of oesophageal acid exposure with conventional pH monitoring and a wireless system (Bravo). Gut, 54(12), 1682–1686. http://access.bl.uk/ark:/81055/vdc_100137792297.0x00003b