| GI | gastrointestinal; gelatin infusion [medium]; gingival index; globin insulin; glomerular index; gluco... |
|---|---|
| HFI | hereditary fructose intolerance; human fibroblast interferon |
| I&T | intolerance and toxicity |
| LI | labeling index; lactose intolerance; lacunar infarct; lamellar ichthyosis; Langerhans islet; large i... |
| LPI | left posterior-inferior; lysinuric protein intolerance |