| IPN | infantile polyarteritis nodosa; infectious pancreatic necrosis [of trout]; intern progress note; int... |
|---|---|
| IRP | immunoreactive plasma; immunoreactive proinsulin; incus replacement prosthesis; insulin-releasing po... |
| IRT | immunoreactive trypsin; interresponse time; interstitial radiotherapy |
| IS | ileal segment; immediate sensitivity; immune serum; immunosuppression; impingement syndrome; incenti... |
| ISC | immunoglobulin-secreting cells; insoluble collagen; International Society of Cardiology; Internation... |