Fill the mind--and exercise it, too!
Ackerman
A Bernard
AB
D002294:Carcinoma, Squamous Cell / Q000175:diagnosis*; D003880:Dermatology; D006801:Humans; D007642:Keratosis / Q000175:diagnosis* / Q000209:etiology; D008545:Melanoma / Q000453:epidemiology; D011230:Precancerous Conditions / Q000175:diagnosis / Q000209:etiology; D012878:Skin Neoplasms / Q000175:diagnosis* / Q000453:epidemiology; D013472:Sunlight / Q000009:adverse effects*