Birthmarks. American Academy of Dermatology website. Available at:
http://www.aad.org/dermatology-a-to-z/for-kids/about-skin/birthmarks/why-people-get-birthmarks. Accessed June 17, 2013.
Birthmarks. KidsHealth.org website. Available at:
http://kidshealth.org/parent/general/body/birthmarks.html. Updated April 2013. Accessed June 17, 2013.
Guttman C. Clinical, molecular features aid worrisome birthmark recognition.
Dermatology Times. 2005;26(4):66-67.
Mongolian spot. EBSCO DynaMed website. Available at:
https://dynamed.ebscohost.com/about/about-us. Updated March 17, 2010. Accessed June 17, 2013.
Hemangioma information. Vascular Birthmark Foundation website. Available at:
http://www.birthmark.org/hemangiomas.php. Accessed June 17, 2013.
American Academy of Dermatology
Vascular Birthmarks Foundation
Canadian Dermatology Association