| Abbreviations | Meaning |
 | URISA | Urban And Regional Information Systems Association |
| SAB | Society Of American Bacteriologists |
| BTS | Batten Syndrome; Blood Transfusion Service; Blue Toe Syndrome; Bradycardia-tachycardia Syndrome; British Thoracic Society |
| NSMR | National Society For Medical Research |
| NAPH | Naphthyl; National Association Of Public Hospitals; Nicotinamide Adenine Dinucleotide Phosphate |
| SBET | Society For Biomedical Engineering Technicians |
| LRCP | Licentiate Of The Royal College Of Physicians; Low-risk Chest Pain |
| PDRB | Permanent Disbility Rating Board |
| VHA | Veterans Health Administration; Voluntary Hospital Association |
| AHSR | Association For Health Services Research |
| NAFEC | National Association Of Freestanding Emergency Centers |
| ABIM | American Board Of Internal Medicine |
| APA | American Psychological Association; American Psychopathological Association; American Psychotherapy Association; Aminopenicillanic Acid |
| BCIA | Biomedical Clinical Instrumentation Association |
| RCPSC | Royal College Of Physicians And Surgeons Of Canada |
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