| GGM | glucose-galactose malabsorption |
|---|---|
| GGVB | gelatin, glucose, and veronal buffer |
| GIK | glucose-insulin-potassium [solution] |
| GIP | gastric inhibitory polypeptide; giant cell interstitial pneumonia; glucose-dependent insulinotropic ... |
| GITT | gastrointestinal transit time; glucose insulin tolerance test |