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Journal of Psychosomatic Research|April 6, 2000
Effects of melatonin on the quality of life in patients with delayed sleep phase syndromeJ E Nagtegaal, M W Laurant, G A Kerkhof, et al.
Clinical Nephrology|November 13, 2008
Subjective sleep efficiency of hemodialysis patientsB C P Koch, J E Nagtegaal, E C Hagen, et al.
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