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Vitamin C status in patients with chronical kidney disease

The goal of this study is to assess the prevalence of vitamin C deficiency in patients with end stage renal disease (Endogenous Creatinin Clearance (ECC) <20 ml/min) and in patients on various forms of renal replacement therapy: kidney…

Prevalence of vitamin D deficiency in adults with intellectual disability and risk factors.

Determination of prevalence of vitamin D deficiency in intellectually disabled people from 19 to 50 years old.Determine if specific risk factors in this population are associated with vitamin D deficiency.Check if the advice of the Dutch Health…

Feasibility of skeletal muscle biopsy and near-infrared spectrometry in post-ICU patients: the Powerhouse feasibility study

To investigate the feasibility of Bergström needle biopsies of the vastus lateralis muscle, and NIRS measurements of the gastrocnemius muscle in post-ICU patients.