National Association for Pseudoxanthoma Elasticum: Nonprofit US organization dedicated to providing support services and information to those affected by pseudoxanthoma elasticum.
NORD: Pseudoxanthoma Elasticum: Offers a general discussion and resources for PXE.
PXE International: The comprehensive source for pseudoxanthoma elasticum research and world wide activities.
The PXE Support Group - PiXiE: UK support group, helping PXE patients and research into the condition.
VhiHealth-e: A definition of Pseudoxanthoma elasticum followed by a description, causes and symptoms, diagnosis, treatment options, prognosis and prevention.
