Cryoglobulinemia - Types I, II, II, treatment and information, cryofiltration apheresis. XLP: X-Linked Lymphoproliferative Disorder - Explains this rare condition which affects only males. Includes personal accounts and offers contact information for sufferers. XLP or Ducans Disease Resource Site - X-linked Lymphoproliferative Syndrome (XLP) or Duncans syndrome. A family site with resources and news for 4 sons who suffer from this disease. NHLBI - Information and resources on blood from the National Heart, Lung and Blood Institute. Provides links on publications, fact sheets, and related diseases information. Central New York Bleeding Disorders Association - Gives information about the CNYBDA, about the disorders, and resources. Also provides details on how to become a member. NHS Choices: Rhesus Disease - Provides information on this condition where antibodies in a pregnant woman’s blood attack her baby's blood cells. Project Red Flag - The National Hemophilia Foundation’s (NHF) public awareness campaign to reach women with undiagnosed bleeding disorders.