1. Alper JC, Holmes LB. The incidence and significance of birth-marks in a cohort of 4,641 newborns. Pediatr Dermatol 1983;1:58.
2. Jacobs AH, Walton RG. The incidence of birthmarks in the neonate. Pediatrics 1976;58:218.
3. Elder D, Elenitsas R, Jaworsky C, Johnson B Jr, eds. Lever’s Histopathology of the Skin. 8th ed. Philadelphia: Lippincott-Raven; 1997.
4. Major Problems in Pathology Series;H. Isaacs Jr.,1997
5. Isaacs H Jr. Skin diseases. In: Gilbert-Barness E, ed. Potter’s Pathology of the Fetus and Infant. Vol 2. St. Louis, MO: CV Mosby; 1997.