| GUA | group of units of analysis |
|---|---|
| GW | germ warfare; gigawatt; glycerin in water; gradual withdrawal; group work |
| HDG | high-dose group |
| HISSG | Hospital Information Systems Sharing Group |
| HMG | high-mobility group; human menopausal gonadotropin; 3-hydroxy-3-methyl-glutaryl |