Hyperpigmentation of the hands of a female patient with a deficiency of vitamin B12 (cobalamin). Vitamins are trace nutrients that form an essential part of the diet. Vitamin B12 is used in digestion and metabolism. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library |
Bildgröße: | 7500 px × 5048 px |
Modell-Rechte: | vorhanden |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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