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A Genetic Validation Study Reveals a Role of Vitamin D Metabolism in the Response to Interferon-Alfa-Based Therapy of Chronic Hepatitis C
Figure 2
Seasonal variation of 25(OH)D3 serum levels in patients with chronic hepatitis C.
Median 25(OH)D3 serum levels are shown for each month.
doi: https://doi.org/10.1371/journal.pone.0040159.g002