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George, Charles F. P., Neil Feldman, Yanping Zheng, Teresa L. Steininger, Susanna M. Grzeschik, Chinglin Lai, ja Neil Inhaber. A 2-week, Polysomnographic, Safety Study of Sodium Oxybate in Obstructive Sleep Apnea Syndrome. Springer Berlin Heidelberg, 2010.

George, Charles F. P., et al. A 2-week, Polysomnographic, Safety Study of Sodium Oxybate in Obstructive Sleep Apnea Syndrome. Springer Berlin Heidelberg, 2010.