| AAA | abdominal aortic aneurysm/aneurysmectomy; acne-associated arthritis; acquired aplastic anemia; acute... |
|---|---|
| AN | acanthosis nigricans; acne neonatorum; acoustic neuroma; adult, normal; ala nasi; amyl nitrate; aneu... |
| BPS | beats per second; Behavioral Pharmacological Society; biophysical profile score; bits per second; bo... |
| IPA | immunoperoxidase assay; incontinentia pigmenti achromians; independent physician or practice associa... |
| NCA | National Certification Agency; National Council on Aging; National Council on Alcoholism; neurocircu... |