1. Legiehn GM, Heran MK. Venous malformations: classification, development, diagnosis, and interventional radiologic management. Radiol Clin N Am. 2008 May;46(3):545–97, vi. https://doi.org/10.1016/j.rcl.2008.02.008.
2. Belov S. Anatomopathological classification of congenital vascular defects. Semin Vasc Surg. 1993;6:219–24.
3. Buckmiller LM, Richter GT, Suen JY. Diagnosis and management of hemangiomas and vascular malformations of the head and neck. Oral Dis. 2010 Jul;16(5):405–18. https://doi.org/10.1111/j.1601-0825.2010.01661.x.
4. Haggstrom AN, Lammer EJ, Schneider RA, Marcucio R, Frieden IJ. Patterns of infantile hemangiomas: new clues to hemangioma pathogenesis and embryonic facial development. Pediatrics. 2006 Mar;117(3):698–703.
5. ISSVA Classification of Vascular Anomalies © 2018 International Society for the Study of Vascular Anomalies Available at “issva.org/classification” Accessed 31 Jan 2019.