A in Research
- Alpha-ketoglutarate dehydrogenase deficiency
- Alpha-mannosidosis type 1
- Alpha-mannosidosis- type 2
- Alpha-Thalassemia
- Alpha-thalassemia-abnormal morphogenesis
- Alport syndrome
- Alport syndrome- dominant type
- Alport syndrome- recessive type
- Alsing syndrome
- Alstrom syndrome
- Alternating hemiplegia of childhood
- Aluminium lung
- Alveolar capillary dysplasia
- Alveolar echinococcosis
- Alveolar soft part sarcoma
- Alveolitis- extrinsic allergic
- Alves Castelo dos Santos syndrome
- Alzheimer disease type 1
- Alzheimer disease type 2
- Alzheimer disease type 4