| Abbreviations | Meaning |
 | CATCH | Canadian Association Of Teachers Of Community Health |
| ACURP | American College Of Utilization Review Physicians |
| EPA | Empiric Phrase Association |
| AHMC | Association Of Hospital Management Committees |
| NFRA | National Fibromyalgia Research Association (US) |
| FACN | Fellow Of The American College Of Nutrition |
| OAA | Old Age Assistance; Older Americans Act; Opticians Association Of America; Oxaloacetic Acid |
| ISIS | Information Society Initiative For Standardization |
| WFPHA | World Federation Of Public Health Associations |
| AOS | American Ophthalmological Society; American Otological Society; Anodal Opening Sound; Anterior [o]esophageal Sensor |
| FACD | Fanconi Anemia Complementation Group D; Fellow Of The American College Of Dentists |
| NNEB | National Nursery Examination Board |
| AAO | American Academy Of Ophthalmology |
| ISTD | International Society Of Tropical Dermatology |
| IRB | Institutional Review Board |
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