| NCA | National Certification Agency; National Council on Aging; National Council on Alcoholism; neurocircu... |
|---|---|
| ANG | angiogenin; angiogram, angiography; angiotension |
| ang | angiogram; angiography, angle, angular |
| Angio | angiography, angiogram, angiographic |
| ARA | Academy of Rehabilitative Audiometry; acetylene reduction activity; American Rheumatism Association;... |