| NIMR | National Institute for Medical Research |
|---|---|
| NINCDS | National Institute of Neurological and Communicative Disorders and Stroke |
| NINCDS/ADRDA | National Institute of Neurological and Communicative Diseases and Stroke/Alzheimer's Disease and Rel... |
| NINDB | National Institute of Neurological Diseases and Blindness |
| NIOSH | National Institute for Occupational Safety and Health |