- Informatie
- List of Rare Disease Information – NORD (National Organization for Rare Disorders)
- Radiorg: rare diseased Belgium
- Rare diseases | sciensano.be
- Rare diseases
- Rare Disease Articles (Symptoms, Diagnostic Workup, Treatment)
- Rare diseases – IFPMA
- Organisaties en instanties
- NORD (National Organization for Rare Disorders)
- Orphanet
- Orphanet Journal of Rare Diseases
- Recordati Rare Diseases