| GSI | Genuine stress incontinence |
|---|---|
| GSI | Global Severity Index |
| GSI | Gonadosomatic Index |
| GSIS | Glucose-stimulated insulin secretion |
| GSK | Glycogen synthase kinase |
| GSK-3 beta | I)/glycogen synthase kinase-3 beta |
| GSK3 | Glycogen Synthase Kinase 3 |
| GSL | Glycosphingolipid |
| GSM | Global System for Mobile Communication |
| GSM | Grey Scale Median |