| IDE | insulin-degrading enzyme; investigational device exemption |
|---|---|
| ILD | interstitial lung disease; intraoperative localization device; ischemic leg disease; ischemic limb d... |
| IUCD | intrauterine contraceptive device |
| IUD | intrauterine death; intrauterine device |
| KED | Kendrick extrication device |
| linear energy transfer | <radiobiology> Average amount of energy lost per unit of particle track length and expressed in keV um-1. Acronym: LET (16 Dec 1997) |
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