[Pigmented birthmarks in the skin in the region of the eye, in the conjuctiva, and in the iris of twins].
D006801:Humans; D007498:Iris; D009506:Nevus; D009508:Nevus, Pigmented; D012878:Skin Neoplasms
NEVUS/pigmented
Sōseizi ni okeru ganbu hihu ketumaku oyobi kōsai no sikiso-sei bohan.