Hyperpigmentation of skin. A sign of vitamin-B12 deficiency.
D006801:Humans; D017495:Hyperpigmentation; D010859:Pigmentation Disorders; D012867:Skin; D014806:Vitamin B 12 Deficiency; D014815:Vitamins
D014815:Vitamins
PIGMENTATION DISORDERS; VITAMIN B 12 DEFICIENCY