| GGCS | gamma-glutamyl cysteine synthetase |
|---|---|
| GS | gallstone; Gardner syndrome; gastric shield; general surgery; gestational score; Gilbert syndrome; g... |
| GSD | genetically significant dose; Gerstmann-Straussler disease; glutathione synthetase deficiency; glyco... |
| HARS | histidyl-RNA synthetase |
| HMBS | hydroxymethylbilane synthetase |