| GTT | gelatin-tellurite-taurocholate [agar]; glucose tolerance test |
|---|---|
| HE | half-scan with extrapolation; hard exudate; hektoen enteric [agar]; hemagglutinating encephalomyelit... |
| HIA | Hearing Industries Association; heat infusion agar; hemagglutination inhibition antibody or assay |
| IA | ibotenic acid; immune adherence; immunoadsorbent; immunobiologic activity; impedance angle; indolami... |
| JEMBEC | agar plates for transporting cultures of gonococci |