| IRDP | insulin-related DNA polymorphism |
|---|---|
| IRIg | insulin-reactive immunoglobulin |
| IRP | immunoreactive plasma; immunoreactive proinsulin; incus replacement prosthesis; insulin-releasing po... |
| IS | ileal segment; immediate sensitivity; immune serum; immunosuppression; impingement syndrome; incenti... |
| ISI | infarct size index; initial slope index; injury severity index; Institute for Scientific Information... |