1. Sandbjerg Guidelines 2003 http://www.dsog.dk/files/antifosfolipidsyndrom.pdf
2. World distribution of factor V Leiden;David;Lancet,1995
3. Inherited thrombophilias in pregnant patients: detection and treatment paradigm;Lockwood;Obstet Gynecol,2002
4. Thrombophilia as a multigenic disease;Zoller;Haematologica,1999