Acanthosis nigricans possibly an A avitaminosis.
EICHHOLTZ
P C
PC
D000052:Acanthosis Nigricans; D001361:Avitaminosis; D006801:Humans; D014801:Vitamin A; D014815:Vitamins
D014815:Vitamins; D014801:Vitamin A
ACANTHOSIS/nigricans; VITAMINS/A