| Abbreviations | Meaning |
 | NSMR | National Society For Medical Research |
| APMR | Association For Physical And Mental Retardation |
| IPA | Independent Practice Associations |
| SCCM | Sertoli Cell Culture Medium; Society Of Critical Care Medicine |
| ANA | American Narcolepsy Association |
| ABPM&R | American Board Of Physical Medicine And Rehabilitation |
| AAP | American Academy Of Pedodontics |
| COA | Canadian Ophthalmological Association; Canadian Orthopaedic Association; Certificate Of Authority; Cervico-oculo-acusticus [syndrome]; Condition On Admission |
| SRD | Society For The Right To Die |
| NSA | National Stroke Association |
| AOIR | Association Of Internet Researchers |
| ASA | American Surgical Association |
| ABOS | American Board Of Orthopaedic Surgery |
| CMGS | Chopped Meat-glucose-starch [medium]; Clinical Molecular Genetics Society |
| NDSB | Narcotic Drugs Supervisory Board |
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