| Abbreviations | Meaning |
 | ESTRO | European Society For Therapeutic Radiation And Oncology |
| ACR | American College Of Radiology |
| AGA | Accelerated Growth Area; Allergic Granulomatosis And Angiitis; American Gastroenterological Association; American Genetic Association |
| IPA | International Psychogeriatric Association |
| FRS | Fellow Of The Royal Society; Ferredoxin-reducing Substance; First Rank Symptom; Fragment Separator; Furosemide |
| BIS | British Infection Society |
| AAPM | American Association Of Physicists In Medicine |
| ARSA | American Reye's Syndrome Association; Arylsulfatase A |
| NHB | National Health Board |
| ACA | American Chiropractic Association |
| OTA | Orthopaedic Trauma Association (Newsletter) (also: AAOS Specialty Societies) |
| BAPO | British Association Of Paediatric Otorhinolaryngologists |
| CAPHIS | Consumer And Patient Health Information Section [American Library Association] |
| NAPHT | National Association Of Patients On Hemodialysis And Transplantation |
| RCPATH | Royal College Of Pathologists |
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