| Ir | immune response [gene]; iridium |
|---|---|
| IRIS | integrated risk information system; interleukin regulation of immune system; International Research ... |
| iRNA | immune ribonucleic acid; informational ribonucleic acid |
| IS | ileal segment; immediate sensitivity; immune serum; immunosuppression; impingement syndrome; incenti... |
| ISG | immune serum globulin |