Geographic Variation in Incidence of Skin Cancer in the United States

THE LITEEATUEE supporting a relation¬ ship between exposure to ultraviolet rays and skin cancer is reviewed by Blum (1$).Varia¬ tions in human skin cancer incidence rates with differences in latitude in the United States were shown by Dorn («?), who used data col¬ lected from 10 large metropolitan areas in 1937-38.For white males and females in three Public Health Reports