Vitamin D vs. broad spectrum phototherapy in the treatment of seasonal affective disorder
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Physical exercise or micronutrient supplementation for the wellbeing of the frail elderly? A randomized controlled trial
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Randomized comparison of the effects of the vitamin D3 adequate intake versus 100 mcg (4000 IU) per day on biochemical responses and the wellbeing of patients
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Quality of life measurement: Bibliographic study of patient assessed health outcome measures
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The seasonal health questionnaire: A preliminary validation of a new instrument to screen for seasonal affective disorder
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