ABC of dermatology. Black spots in the skin.
D006801:Humans; D008545:Melanoma / Q000175:diagnosis*; D009508:Nevus, Pigmented / Q000175:diagnosis*; D010859:Pigmentation Disorders / Q000175:diagnosis*; D012867:Skin / Q000473:pathology; D012878:Skin Neoplasms / Q000175:diagnosis*