| AAOP | American Academy of Oral Pathology |
|---|---|
| AAOS | American Academy of Orthopedic Surgeons |
| AAPA | American Academy of Physician Assistants; American Association of Pathologist Assistants |
| AAPL | American Academy of Psychiatry and the Law |
| AAPM&R | American Academy of Physical Medicine and Rehabilitation |
| NIHSS | National Institute of Health Stroke Scale |
|---|---|
| NIMH | National Institute of Mental Health |
| NINDS | National Institute of Neurological Disorders and Stroke |
| NIOSH | National Institute of Occupational Safety and Health |
| NIST | National Institute of Standards and Technology |