| IRH | Institute for Research in Hypnosis; Institute of Religion and Health; intrarenal hemorrhage |
|---|---|
| ISR | information storage and retrieval; Institute for Sex Research; Institute of Surgical Research; insul... |
| NIA | National Institute on Aging; nephelometric inhibition assay; niacin; no information available; Nutri... |
| ANSI | American National Standards Institute |
| AFIP | Armed Forces Institute of Pathology |