Hematologic Diseases Information Service

The Hematologic Diseases Information Service is an information dissemination service of the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK). The NIDDK is part of the National Institutes of Health, which is part of the U.S. Department of Health and Human Services. The Hematologic Diseases Information Service is a part of the NIDDK's Division of Kidney, Urologic, and Hematologic Diseases.