| UMNL | upper motor neuron lesion |
|---|---|
| UMNS | upper motor neuron syndrome |
| AACN | American Association of Colleges of Nursing; American Association of Critical-Care Nurses |
| AADE | American Association of Dental Editors; American Association of Dental Examiners |
| AAMC | American Association of Medical Clinics; Association of American Medical Colleges |