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Freidin, N., M J. Fisher, W. Taylor, D. Boyd, P. Surratt, R W. McCallum, und R K. Mittal. Sleep and Nocturnal Acid Reflux in Normal Subjects and Patients With Reflux Oesophagitis. 1991.

Freidin, N., et al. Sleep and Nocturnal Acid Reflux in Normal Subjects and Patients With Reflux Oesophagitis. 1991.