| ICR | [distance between] iliac crests; Institute for Cancer Research; Institute for Cancer Research [mouse... |
|---|---|
| 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... |
| AAA | abdominal aortic aneurysm/aneurysmectomy; acne-associated arthritis; acquired aplastic anemia; acute... |
| NIAAA | National Institute of Alcohol Abuse and Alcoholism |
|---|---|
| NIAID | National Institute of Allergy and Infectious Disease |
| NICHD | National Institute of Child Health and Human Development |
| NIDR | National Institute of Dental Research |
| NIDA | National Institute of Drug Abuse |