| Abbreviations | Meaning |
 | RHB | Regional Hospital Board [UK]; Right Heart Bypass |
| NKCA | National Kidney Cancer Association (USA) |
| NWDA | National Wholesale Druggists Association |
| BSCC | Bjrk-Shiley Convexo-concave [heart Valve]; British Society For Clinical Cytology |
| EAA | Epilepsy Association Of America |
| ASIM | American Society Of Internal Medicine |
| AHNS | American Head And Neck Society |
| ASN | American Society Of Nephrology |
| APDIM | Association Of Program Directors In Internal Medicine |
| SPIE | International Society For Optical Engineering |
| ACR/NEMA | American College Of Radiology/National Electrical Manufacturers' Association [standard For Transferring Radiologic Images] |
| AADE | American Association Of Dental Editors; American Association Of Dental Examiners |
| ASCOTA | American Student Committee Of The Occupational Therapy Association |
| ABS | American Board Of Surgery |
| NHLA | National Health Lawyers Association |
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