| RNIB | Royal National Institute for the Blind |
|---|---|
| RNID | Royal National Institute for the Deaf |
| AIBS | American Institute of Biological Sciences |
| AIH | amelogenesis imperfecta, hypomaturation type; American Institute of Homeopathy; artificial inseminat... |
| AIN | acute interstitial nephritis; American Institute of Nutrition; anterior interosseous nerve |