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congenital melanotic nevus. Two-Stage Approach to Managing a Giant Melanocytic Nevus of the Scalp in an Infant – Asploro Open Access Publications Congenital melanocytic neoplasms: clinical, histopathological
Description
Science 241 (4868), 968970

Hepatology 70: 19721985, 2019

It had semi-opaque pigmentation that applied evenly and smoothly

Short answer: It slowly turns into creatininea waste product with zero performance benefits
