| RNIB | Royal National Institute for the Blind |
|---|---|
| RNID | Royal National Institute for the Deaf |
| RRC | residency review committee; risk reduction component; routine respiratory care; Royal Red Cross; rur... |
| IHS | 1) International Headache Society 2) Intelligent Hospital System |
| AAS | Aarskog-Scott [syndrome]; acid aspiration syndrome; alcoholic abstinence syndrome; American Academy ... |