| FFIT | fluorescent focus inhibition test |
|---|---|
| GBIA | Guthrie bacterial inhibition assay |
| GI | gastrointestinal; gelatin infusion [medium]; gingival index; globin insulin; glomerular index; gluco... |
| HAd-I | hemadsorption-inhibition |
| HAI | hemagglutination inhibition; hepatic arterial infusion |