A3243G
- http://www.a3243g.com/
- Explains a gene defect of mitochondrial DNA which causes several diseases, including maternally inherited diabetes with deafness. Features a newsletter, patient forum and definitions.
Gene Clinics
- http://www.geneclinics.org
- Medical genetics knowledge base. NIH funded, expert-authored descriptions of inherited disorders. Covers genetic testing in diagnosis and management and genetic counseling of patients.
XLH Network
- http://www.xlhnetwork.org
- Patient support group for XLH, a genetic condition also known as X-Linked Hypophosphatemia, X-Linked Hypophosphatemic Rickets, Familial Hypophosphatemia, Vitamin D-Resistant Rickets.