| ACNM | American College of Nuclear Medicine; American College of Nurse-Midwives |
|---|---|
| ACNP | acute care nurse practitioner; American College of Nuclear Physicians |
| ANA | acetylneuraminic acid; American Narcolepsy Association; American Neurological Association; American ... |
| B0 | constant magnetic field in nuclear magnetic resonance |
| B1 | induced field in magnetic resonance imaging; radiofrequency magnetic field in nuclear magnetic reson... |