| IAM | Institute of Applied Microbiology [Japan]; Institute of Aviation Medicine; internal auditory meatus |
|---|---|
| IUPAC | International Union of Pure and Applied Chemistry |
| IUPAP | International Union of Pure and Applied Physics |
| MEDPAR | Medical Provider Analysis and Review; Medicare Provider Analysis and Review |
| MRA | magnetic resonance angiography; main renal artery; marrow repopulation activity; medical record anal... |