| GCIIS | glucose controlled insulin infusion system |
|---|---|
| GI | gastrointestinal; gelatin infusion [medium]; gingival index; globin insulin; glomerular index; gluco... |
| HAI | hemagglutination inhibition; hepatic arterial infusion |
| HI | half-scan with interpolation; head injury; health insurance; hearing impaired; heart infusion; hemag... |
| HIA | Hearing Industries Association; heat infusion agar; hemagglutination inhibition antibody or assay |