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NG239 Evidence review D: tests for identifying cause of vitamin B12 deficiency

Qin L, Chong T, Rodriguez R, Pugazhenthi S (2016) Glucagon-like peptide-1-mediated modulation of inflammatory pathways in the diabetic brain: relevance to Alzheimers disease

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Use before lightweight hydrators like niacinamide or hyaluronic acid

Results are presented using descriptive statistics, including the number of observations, geometric mean (for pharmacokinetic parameters only), arithmetic mean, standard deviation (SD), coefficient of variation, minimum, median and maximum for quantitative variables, and frequency for qualitative variables