| IS | ileal segment; immediate sensitivity; immune serum; immunosuppression; impingement syndrome; incenti... |
|---|---|
| ISE | inhibited sexual excitement; International Society of Endocrinology; International Society of Endosc... |
| RAI | radioactive iodine; radioactive isotope; resident assessment instrument; resting ankle index; right ... |
| RAITI | right atrial inversion time index |
| STIR | short tau inversion recovery |